2006/443/EC: Council Decision of  13 March 2006  amending Decisions 2001/507/EC and 2001/509/EC with a view to making United Nations Economic Commission for Europe (UN/ECE) Regulation Nos 109 and 108 on retreaded tyres compulsory
Date: 2006-03-13
Institutions: Council of the European Union
Subjects: Ecosoc, approval, commercial vehicle, motor car, pneumatic tyre, technical standard

4.7.2006

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II

(Acts whose publication is not obligatory)

COUNCIL

COUNCIL DECISION

of 13 March 2006

amending Decisions 2001/507/EC and 2001/509/EC with a view to making United Nations Economic
Commission for Europe (UN/ECE) Regulation Nos 109 and 108 on retreaded tyres compulsory

(2006/443/EC)

THE COUNCIL OF THE EUROPEAN UNION,

Having regard to the Treaty establishing the European Commu-
nity,

Having regard to Council Decision 97/836/EC of 27 November
1997 with a view to accession by the European Community to
the Agreement of the United Nations Economic Commission for
Europe concerning the adoption of uniform technical prescrip-
tions for wheeled vehicles, equipment and parts which can be
fitted to and/or be used on wheeled vehicles and the conditions
for reciprocal recognition of approvals granted on the basis of
(“Revised 1958 Agreement”) (1), and in
these prescriptions
particular Article 3(3), the second indent of Article 4(2) and
Article 4(4) thereof,

in order

the Revised 1958 Agreement.
of Articles 2 and 3 of
However,
to apply those Regulations on a
compulsory basis, a provision to that end should be laid
down in Community law pursuant
to Article 4(4) of
Decision 97/836/EC.

(3)

In view of the limited scope of the needed regulatory
action, it is not appropriate to provide for the compulsory
application of both Regulations by adopting a Directive as
envisaged in Decisions 2001/507/EC and 2001/509/EC.

(4) Decisions 2001/507/EC and 2001/509/EC should be

amended accordingly,

Having regard to the proposal from the Commission,

HAS DECIDED AS FOLLOWS:

Having regard to the assent of the European Parliament (2),

Article 1

Whereas:

(1)

(2)

The UN/ECE Regulation Nos 109 and 108 lead to
harmonised requirements for the retreading of tyres and
to a high level of safety and environmental protection. They
enable the free circulation of retreaded tyres.

By Decision 97/836/EC the Community became
a
Contracting Party to the UN/ECE Revised 1958 Agreement.
By Decisions 2001/507/EC (3) and 2001/509/EC (4)
the
Community acceded to UN/ECE Regulations 109 and 108,
respectively. By acceding to those Regulations, the Com-
them as alternatives to
munity committed to accept
Community legislation, in accordance with the provisions

(1) OJ L 346, 17.12.1997, p. 78.
(2) Not yet published In the Official Journal.
(3) OJ L 183, 6.7.2001, p. 35.
(4) OJ L 183, 6.7.2001, p. 37.

Decision 2001/507/EC is amended as follows:

1.

The sole Article is replaced by the following:

“Sole Article

The European Community shall accede to Regulation 109
of the United Nations Economic Commission for Europe
concerning the approval for the production of retreaded
pneumatic tyres for commercial vehicles and their trailers.

As from 13 September 2006 the provisions of Regulation
109 as set out in the Annex shall apply as a compulsory
condition for the placing on the market in the Community
that
falling under
of
Regulation.”

retreaded tyres

the scope of

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2.

The text of UN/ECE Regulation 109 attached to Decision
2001/507/EC is replaced by the text set out in Annex I of
this Decision.

Article 2

Decision 2001/509/EC is amended as follows:

1.

The sole Article is replaced by the following:

“Sole Article

As from 13 September 2006 the provisions of Regulation
108 as set out in the Annex shall apply as a compulsory
condition for the placing on the market in the Community
of
that
falling under
Regulation.”

retreaded tyres

the scope of

2.

The text of UN/ECE Regulation 108 attached to Decision
2001/509/EC is replaced by the text set out in Annex II of
this Decision.

Done at Brussels, 13 March 2006.

The European Community shall accede to Regulation 108
of the United Nations Economic Commission for Europe
concerning the approval for the production of retreaded
pneumatic tyres for motor vehicles and their trailers.

For the Council
The President
M. BARTENSTEIN

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Page

4

4

8

10

10

11

15

16

16

17

17

17

ANNEX I

“REGULATION NO 109

UNIFORM PROVISIONS CONCERNING THE APPROVAL FOR THE PRODUCTION OF RETREADED
PNEUMATIC TYRES FOR COMMERCIAL VEHICLES AND THEIR TRAILERS

(Consolidated text)

CONTENTS

REGULATION

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Application for approval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Approval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Modifications to the approval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Conformity of production . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Penalties for non-conformity of production . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Production definitely discontinued . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12. Names and addresses of

test
laboratories, and of administrative departments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

technical services responsible for conducting approval tests, of

ANNEXES

Annex 1 — Communication concerning the approval or extension or refusal or withdrawal of approval or
production definitely discontinued of a retreading production unit pursuant to Regulation
No 109

Annex 2 — Arrangement of approval mark

Annex 3 — Arrangement of retread tyre markings

Annex 4 — List of load indices and corresponding load capacities

Annex 5 — Tyre size designation and dimensions

Annex 6 — Method of measuring pneumatic tyres

Annex 7 — Procedure for load/speed endurance tests

Appendix 1 — Endurance-test programme

Appendix 2 — Relationship between the pressure index and units of pressure

Annex 8 — Variation of load capacity with speed: commercial vehicle tyres radial and diagonal ply

Annex 9 — Explanatory figure

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1.

SCOPE

This Regulation applies to the production of retreaded tyres intended to be fitted to commercial vehicles and their
trailers used on the road. It does not however apply to:

1.1.

Retreaded tyres for private (passenger) cars and their trailers.

1.2.

Retreaded tyres with a speed capability below 80 km/h.

1.3.

Tyres for cycles and motorcycles.

1.4.

Tyres originally produced without speed symbols and/or load indices.

1.5.

Tyres originally produced without type approval and without either an “E” or “e” mark.

2.

DEFINITIONS — See also figure in Annex 9

For the purpose of this Regulation:

2.1.

“Range of retreaded pneumatic tyres” — means a range of retreaded pneumatic tyres as quoted in paragraph 4.1.4.

2.2.

“Structure” of a pneumatic-tyre means the technical characteristics of the tyre's carcass. The following structures
are distinguished in particular:

2.2.1.

“Diagonal” or “bias ply” describes a pneumatic-tyre structure in which the ply cords extend to the beads and are
laid at alternate angles substantially less than 90o to the centreline of the tread.

2.2.2.

“Bias belted” describes a pneumatic-tyre structure of diagonal (bias-ply) type in which the carcass is stabilised by a
belt, comprising two or more layers of substantially inextensible cord material laid at alternate angles close to
those of the carcass.

2.2.3.

“Radial” describes a pneumatic-tyre structure in which the ply cords extend to the beads and are laid substantially
at 90o to the centreline of the tread, the carcass being stabilised by an essentially inextensible circumferential belt.

2.3.

“Category of use”

2.3.1.

Normal tyre is a tyre intended for normal road use only.

2.3.2.

Special use tyre is a tyre intended for mixed use, both on and off road and/or at restricted speed.

2.3.3.

Snow tyre is a tyre whose tread pattern, or tread pattern and structure, is primarily designed to ensure, in mud
and fresh or melting snow, a performance better than that of a Normal Tyre. The tread pattern of a snow tyre
generally consists of groove (rib) and solid block elements more widely spaced than on a Normal Tyre.

2.4.

“Bead” means the part of a pneumatic-tyre which is of such shape and structure as to fit the rim and hold the tyre
on it.

2.5.

“Cord” means the strands forming the fabric of the plies in the pneumatic-tyre.

2.6.

“Ply” means a layer of “rubber” coated parallel cords.

2.7.

“Belt” applies to a radial ply or bias belted tyre and means a layer or layers of material or materials underneath the
tread, laid substantially in the direction of the centre line of the tread to restrict the carcass in a circumferential
direction.

2.8.

“Breaker” applies to a diagonal ply tyre and means an intermediate ply between the carcass and tread.

2.9.

“Protective breaker” applies to a radial ply tyre and means an optional intermediate ply between the tread and the
belt to minimise damage to the belt.

2.10.

“Chafer” means material in the bead area to protect the carcass against chafing or abrasion by the wheel rim.

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2.11.

2.12.

2.13.

2.14.

“Carcass” means that structural part of a pneumatic-tyre other than the tread and outermost “rubber” of the
sidewalls which, when inflated, supports the load.

“Tread” means that part of a pneumatic-tyre which is designed to come into contact with the ground, protects the
carcass against mechanical damage and contributes to ground adhesion.

“Side wall” means the part of a pneumatic tyre between the tread and the area designed to be covered by the rim
flange.

“Lower area of tyre” means the area included between the line of maximum section width of the tyre and the area
designed to be covered by the edge of the rim.

2.15.

“Tread groove” means the space between the adjacent ribs or blocks in the tread pattern.

2.16.

2.17.

2.18.

2.19.

“Section width” means the linear distance between the outside of the sidewalls of an inflated pneumatic-tyre,
when fitted to the specified measuring rim, but excluding elevations due to labelling (marking), decoration or
protective bands or ribs.

“Overall width” means the linear distance between the outside of the sidewalls of an inflated pneumatic-tyre,
when fitted to the specified measuring rim, and including labelling (marking), decoration or protective bands or
ribs.

“Section height” means a distance equal to half the difference between the outer diameter of the tyre and the
nominal rim diameter.

“Nominal aspect ratio” means one hundred times the number obtained by dividing the number expressing the
nominal section height by the number expressing the nominal section width, both dimensions being in the same
units.

2.20.

“Outer diameter” means the overall diameter of an inflated, newly retreaded tyre.

2.21.

“Tyre size designation” means a designation showing:

2.21.1.

The nominal section width. This must be expressed in millimetres, except in cases of tyres for which the size
designation is shown in the first column of the tables in Annex 5 to this Regulation.

2.21.2.

The nominal aspect ratio except in case of tyres for which the size designation is shown in the first column of the
tables in Annex 5 to this Regulation.

2.21.3.

A conventional number “d” (the “d” symbol) denoting the nominal rim diameter of the rim and corresponding to
its diameter expressed either by codes (numbers below 100) or in millimetres (numbers above 100). Numbers
corresponding to both types of measurements may be used in the designation.

2.21.3.1. The values of the “d” symbols expressed in millimetres are shown below:

Nominal rim diameter code (d)

Value of the “d” symbol expressed in mm

8
9
10
11
12
13
14

15
16
17
18
19

20
21
22
24
25

203
229
254
279
305
330
356

381
406
432
457
483

508
533
559
610
635

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Nominal rim diameter code (d)

Value of the “d” symbol expressed in mm

14,5
16,5
17,5
19,5
20,5
22,5
24,5

26
28
30

368
419
445
495
521
572
622

660
711
762

2.22.

“Nominal rim diameter (d)” means the diameter of the rim on which a tyre is designed to be mounted.

2.23.

2.24.

2.25.

“Rim” means the support, either for a tyre-and-tube assembly or for a tubeless tyre, on which the tyre beads are
seated.

“Measuring rim” means the rim specified as a “measuring rim width” or “design rim width” for a particular tyre
size designation in any edition of one or more of the International Tyre Standards.

“Test rim” means any rim specified as approved or recommended or permitted in one of the International Tyre
Standards for a tyre of that size designation and type.

2.26.

“International Tyre Standard” means any one of the following standard documents:

(a)

The European Tyre and Rim Technical Organisation (ETRTO) (1): “Standards Manual”;

(b)

The European Tyre and Rim Technical Organisation (ETRTO) (1): “Engineering Design Information —
obsolete data”;

(c)

The Tire and Rim Association Inc. (TRA) (2): “Year Book”;

(d)

The Japan Automobile Tire Manufacturers Association (JATMA) (3): “Year Book”;

(e)

The Tyre and Rim Association of Australia (TRAA) (4): “Standards Manual”;

(f)

The Assiciacao Brasileira de Pneus e Aros (ABPA) (5): “Manual de Normal Technicas”;

(g)

The Scandinavian Tyre and Rim Organisation (STRO) (6): “Data Book”.

The tyre standards can be obtained from the following addresses:

(1)

(2)

(3)

(4)

(5)

(6)

ETRTO, 32 Av. Brugmann — Bte 2, B-1060 Brussels, Belgium

TRA, 175 Montrose West Avenue, Suite 150, Copley, Ohio, 44321 USA

JATMA, 9th Floor, Toranomon Building No 1-12, 1-Chome Toranomon Minato‑ku, Tokyo 105, Japan

TRAA, Suite 1, Hawthorn House, 795 Glenferrie Road, Hawthorn, Victoria, 3122 Australia

ABPA, Avenida Paulista 244-12o Andar, CEP, 01310 Sao Paulo, SP Brazil

STRO, Älggatan 48 A, Nb, S-216 15 Malmö, Sweden

2.27.

“Chunking” means the breaking away of pieces of rubber from the tread.

2.28.

“Cord separation” means the parting of the cords from their rubber coating.

2.29.

“Ply separation” means the parting of adjacent plies.

2.30.

“Tread separation” means the pulling away of the tread from the carcass.

2.31.

“Service description” means the specific combination of the load index and speed symbol of the tyre.

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2.32.

“Load index” means a numerical code which indicates the load the tyre can carry at the speed corresponding to
the associated speed symbol and when operated in conformity with the service conditions specified by the
manufacturer. A pneumatic tyre can have more than one load index to indicate its load capacity when used in
single or dual (twin) formation, or to indicate an alternative load capacity (Unique point) on which a load
variation in accordance with paragraph 2.35 and Annex 8 to this Regulation is not permitted.

The list of load indices and the corresponding loads are shown in Annex 4 to this Regulation.

2.33.

“Speed symbol” means:

2.33.1.

An alphabetical symbol indicating the speed at which the tyre can carry the load given by the associated load
index.

2.33.2.

The speed symbols and corresponding speeds are as shown in the table below:

Speed symbol

Corresponding maximum speed (km/h)

F
G
J
K
L
M
N
P
Q
R
S
T
U
H

80
90
100
110
120
130
140
150
160
170
180
190
200
210

2.34.

2.35.

“Unique point” means an additional service description, marked adjacent to the normal service description, but
which must not be used for calculating a load capacity variation as defined in paragraph 2.35 and in Annex 8 to
this Regulation.

“Load-capacity variation with speed” means an alternative load capacity for the tyre when used at a speed different
from that indicated by the speed symbol in the normal service description. The permissible variations are given in
the table in Annex 8 to this Regulation.

2.36.

“Retreading production unit” means a site or group of localised sites where finished retread tyres are produced.

2.37.

“Retreading” means the generic term for reconditioning a used tyre by replacing the worn tread with new
material. It may also include renovation of the outermost sidewall surface and replacement of the crown plies or
the protective breaker. It covers the following process methods:

2.37.1.

“Top capping” — replacement of the tread;

2.37.2.

“Re-capping” — replacement of the tread and with the new material extending over part of the sidewall;

2.37.3.

“Bead to bead” — replacement of the tread and renovation of the sidewall including all or part of the lower area of
the tyre.

2.38.

“Casing” is the worn tyre comprising carcass and remaining tread and sidewall material.

2.39.

“Buffing” is the process of removing old material from the casing to prepare the surface for the new material.

2.40.

“Repair” is the remedial work carried out to damaged casings within recognised limits.

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2.41.

“Tread material” is a material in a condition suitable for replacing the worn tread. It can be in several forms for
example:

2.41.1.

“Camel-back” — pre-cut lengths of material which has been extruded to give the required cross section profile and
subsequently fitted cold to the prepared casing. The new material must be cured.

2.41.2.

“Strip-wound” — a ribbon of tread material which is directly extruded and wound on to the prepared casing and
built up to the required cross sectional contour. The new material must be cured.

2.41.3.

“Direct extrusion” — tread material extruded to give the required cross sectional profile and directly extruded on
to the prepared casing. The new material must be cured.

2.41.4.

“Pre-cured” — a previously formed and cured tread applied to the prepared casing. The new material must be
bonded to the casing.

2.42.

“Sidewall veneer” is a material used to cover the sidewalls of the casing thereby allowing the required markings to
be formed.

2.43.

“Cushion gum” is a material used as a bonding layer between new tread and casing and for repairing minor
damage.

2.44.

“Cement” is an adhesive solution to hold new materials in place prior to the curing process.

2.45.

“Cure” is the term used to describe the change in physical properties of the new material which is brought about
usually by the application of heat and pressure for a set period of time under controlled conditions.

3.

MARKINGS

3.1.

An example of the arrangement of retreaded tyre markings is shown in Annex 3 to this Regulation.

3.2.

Retreaded tyres shall display on both sidewalls in the case of symmetrical tyres and at least on the outer sidewall in
the case of asymmetrical tyres:

3.2.1.

The brand name or trade mark;

3.2.2.

The tyre-size designation as defined in paragraph 2.21;

3.2.3.

An indication of the structure as follows:

3.2.3.1. On diagonal (bias-ply) tyres; no indication, or the letter “D” placed in front of the rim diameter marking;

3.2.3.2. On radial-ply tyres; the letter “R” placed in front of the rim-diameter marking and optionally the word “RADIAL”;

3.2.3.3. On bias belted tyres; the letter “B” placed in front of the rim diameter marking and in addition the words “BIAS-

BELTED”;

3.2.4.

The service description comprising:

3.2.4.1. An indication of the tyre's nominal load capacity/capacities in the form of the load index/indices prescribed in

paragraph 2.32;

3.2.4.2. An indication of the tyre's nominal speed capability in the form of the symbol prescribed in paragraph 2.33;

3.2.5.

If applicable, one alternative service description, the unique point, comprising:

3.2.5.1. An indication of

the tyre's load capacity/capacities in the form of

the load index/indices prescribed in

paragraph 2.32;

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3.2.5.2. An indication of the speed capability in the form of the symbol prescribed in paragraph 2.33;

3.2.6.

The word “TUBELESS” if the tyre is designed for use without an inner tube.

3.2.7.

The inscription M+S or MS or M.S. or M & S in the case of a snow tyre.

3.2.8.

The date of retreading as follows:

3.2.8.1. Up to 31 December 1999; either as prescribed in paragraph 3.2.8.2 or in the form of a group of three digits, the
first two showing the week number and the third, the year of the decade of manufacture. The date code can cover
a period of production from the week indicated by the week number up to and including the week number plus
three. For example, the marking “253” could indicate a tyre which was retreaded in weeks 25, 26, 27 or 28 of the
year 1993.

The date code may be marked on one sidewall only.

3.2.8.2. As from 1 January 2000; in the form of a group of four digits, the first two showing the week number and the
second two showing the year in which the tyre was retreaded. The date code can cover a period of production
from the week indicated by the week number up to and including the week number plus three. For example, the
marking “2503” could indicate a tyre which was retreaded in weeks 25, 26, 27 or 28 of the year 2003.

The date code may be marked on one sidewall only.

3.2.9.

In the case of tyres which can be regrooved, the symbol “
“REGROOVABLE”, moulded into or on to each sidewall.

” in a circle at least 20 mm diameter, or the word

3.2.10.

An indication, by the means of the “PSI” index, of the inflation pressure to be adopted for the load/speed
endurance tests, as explained in Annex 7, Appendix 2, to this Regulation.

This indication may be placed on one sidewall only.

3.2.11.

The term “RETREAD” or “REMOULD” (after 1 January 1999 only the word “RETREAD” shall be used). At the
request of the retreader, the same term in other languages may also be added.

3.2.12.

The inscription “ET” or “ML” or “MPT” for “Special use tyres” (1)

3.3.

3.4.

3.5.

3.6.

Prior to approval tyres shall exhibit a free space sufficiently large to accommodate an approval mark as referred to
in paragraph 5.8 and as shown in Annex 2 to this Regulation.

Following approval, the markings referred to in paragraph 5.8 and as shown in Annex 2 to this Regulation shall
be affixed in the free space referred to in paragraph 3.3. This marking may be affixed to one sidewall only.

The markings referred to in paragraph 3.2 and the approval mark prescribed in paragraphs 3.4 and 5.8 shall be
clearly legible and shall be moulded on to or into the tyre or shall be permanently marked on to the tyre.

As far as any of the original manufacturer's specifications are still legible after the tyres have been retreaded, they
shall be regarded as specifications of the retreader for the retreaded tyre. If these original specifications do not
apply after retreading they shall be completely removed.

3.7.

The original “E” or “e” approval mark and approval number and any other subsequent retreading production unit's
approval mark and number, if no longer applicable, shall be removed.

(1) This marking shall only be mandatory for tyre types manufactured to this Regulation after the entry into force of Supplement 1 to the

Regulation.

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4.

APPLICATION FOR APPROVAL

The following procedures are applicable to the approval of a tyre retreading production unit:

4.1.

The application for approval of a retreading production unit shall be submitted by the holder of the trade name or
trade mark to be applied to the tyre or by his duly accredited representative. It shall specify:

4.1.1.

An outline of the structure of the company producing the retreaded tyres.

4.1.2.

A brief description of the quality management system, which ensures the effective control of the tyre retreading
procedures to meet the requirements of this Regulation.

4.1.3.

The trade names or marks to be applied to the retreaded tyres produced.

4.1.4.

The following information in relation to the range of tyres to be retreaded:

4.1.4.1.

the range of tyre sizes;

4.1.4.2.

the structure of tyres (diagonal or bias ply, bias-belted or radial);

4.1.4.3.

the category of use of tyres (normal or snow tyres etc.);

4.1.4.4.

the system of retreading and the method of application of the new materials to be used, as defined in
paragraphs 2.37 and 2.41;

4.1.4.5.

the maximum speed symbol of the tyres to be retreaded;

4.1.4.6.

the maximum load index of the tyres to be retreaded;

4.1.4.7.

the nominated International Tyre Standard to which the range of tyres conform.

5.

APPROVAL

5.1.

5.2.

5.3.

5.4.

To retread tyres requires the approval of the retreading production unit by the approval authorities in accordance
with the requirements of this Regulation. The approval authority shall take the necessary measures as described in
this Regulation in order to ensure that the tyres retreaded in the respective production unit will meet with the
requirements stated in this Regulation. The retread production unit shall be fully responsible for ensuring that the
retreaded tyres will meet the requirements of this Regulation and that they will perform adequately in normal use.

In addition to the normal requirements for the initial assessment of the tyre retreading production unit, the
approval authority shall be satisfied that the procedures, operation, instructions and specification documentation
provided by material suppliers are in a language readily understood by the tyre retreading production unit
operatives.

The approval authority shall ensure that the procedures and operations documentation for each production unit
contains specifications, appropriate to the repair materials and processes used, of the limits of repairable damage
or penetrations to the tyre carcass, whether such damage is existing or is caused during the processes of
preparation for retreading.

Before granting approval the authority must be satisfied that retreaded tyres conform to this Regulation and that
the tests prescribed in paragraphs 6.5 and 6.6 have been successfully carried out on at least five and not
necessarily more than 20 samples of retreaded tyres representative of the range of tyres produced by the
retreading production unit.

5.5.

In the case of each failure being recorded during tests, two further samples of the same specification tyre shall be
tested.

If either or both of these second two samples fail, then a final submission of two samples shall be tested.

If either or both of the final two samples fail, then the application for approval of the retreading production unit
shall be rejected.

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5.6.

5.7.

5.8.

If all the requirements of this Regulation are met, then approval shall be granted and an approval number shall be
assigned to each retreading production unit approved. The first two digits of this number shall indicate the series
of amendments incorporating the most recent major technical amendments made to the Regulation at the time of
issue of the approval. The approval number shall be preceded by “109R” signifying that the approval applies to a
tyre retreaded as prescribed in this Regulation.

The same authority shall not assign the same number to another production unit covered by this Regulation.

Notice of approval or of extension, refusal or withdrawal of approval or of production definitely discontinued
pursuant to this Regulation shall be communicated to the Parties to the 1958 Agreement applying this
Regulation, by means of a form conforming to the model in Annex 1 to this Regulation.

There shall be affixed conspicuously to every retreaded tyre conforming to this Regulation, in the space referred to
in paragraph 3.3 and in addition to the markings prescribed in paragraph 3.2, an international approval mark
consisting of:

5.8.1.

A circle surrounding the letter “E” followed by the distinguishing number of the country which granted
approval (1); and

5.8.2.

An approval number as described in paragraph 5.6.

5.9.

Annex 2 to this Regulation gives an example of the arrangements of the approval mark.

6.

REQUIREMENTS

6.1.

Tyres shall not be accepted for first retread unless they have been type approved and bear either an “E” or “e” mark,
except that this requirement shall not be mandatory until 1 January 2000 at the latest.

6.2.

Conditions before retreading:

6.2.1.

Tyres shall be clean and dry before inspection.

6.2.2.

Before buffing, each tyre shall be thoroughly examined both internally and externally to ensure its suitability for
retreading.

6.2.3.

Tyres where damage is visible which has resulted from overload or underinflation shall not be retreaded.

6.2.4.

Tyres showing any of the following damage shall not be accepted for retreading:

6.2.4.1. General:

(a)

non-repairable rubber cracking extending through to the carcass;

(b)

carcas break up;

(c)

appreciable oil or chemical attack;

(d)

damaged or broken bead core;

(e)

previous repairs of damage outside specified injury limits — see paragraph 5.3.

(1) 1 for Germany, 2 for France, 3 for Italy, 4 for the Netherlands, 5 for Sweden, 6 for Belgium, 7 for Hungary, 8 for the Czech Republic,
9 for Spain, 10 for Yugoslavia, 11 for the United Kingdom, 12 for Austria, 13 for Luxembourg, 14 for Switzerland, 15 (vacant), 16 for
Norway, 17 for Finland, 18 for Denmark, 19 for Romania, 20 for Poland, 21 for Portugal, 22 for the Russian Federation, 23 for Greece, 24
for Ireland, 25 for Croatia, 26 for Slovenia, 27 for Slovakia, 28 for Belarus, 29 for Estonia, 30 (vacant), 31 for Bosnia and Herzegovina, 32
for Latvia, 33 (vacant), 34 for Bulgaria, 35 (vacant), 36 for Lithuania, 37 for Turkey, 38 (vacant), 39 for Azerbaijan, 40 for The Former
Yugoslav Republic of Macedonia, 41 (vacant), 42 for the European Community (Approvals are granted by its Member States using their
respective ECE symbol), 43 for Japan, 44 (vacant), 45 for Australia, 46 for Ukraine, 47 for South Africa and 48 for New Zealand.
Subsequent numbers shall be assigned to other countries in the chronological order in which they ratify or accede to the Agreement
Concerning the Adoption of Uniform Technical Prescriptions for Wheeled Vehicles, Equipment and Parts which can be Fitted and/or be
Used on Wheeled Vehicles and the Conditions for Reciprocal Recognition of Approvals Granted on the Basis of these Prescriptions, and
the numbers thus assigned shall be communicated by the Secretary-General of the United Nations to the Contracting Parties to the
Agreement.

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6.2.4.2. Conditions outside specified limits of repairability — see paragraph 5.3:

(a)

carcass penetrations or damage after preparation for repair;

(b)

multiple damage too close together;

(c)

substantial deterioration of inner liner;

(d)

bead damage;

(e)

exposed carcass cords;

(f)

loose cords;

(g)

belt ply separation;

(h)

permanently deformed or kinked (steel) carcass cords;

(i)

(j)

circumferential cracking above the bead;

corroded steel cord or bead wire.

6.3.

Preparation:

6.3.1.

After buffing, and before the application of new material, each tyre shall be thoroughly re-examined, at least
externally, to ensure its continued suitability for retreading.

6.3.2.

The entire surface to which new material is to be applied shall have been prepared without overheating. The
buffed surface texture shall not contain deep buffing lacerations or loose material.

6.3.3. Where precured material is to be used the contours of the prepared area shall meet the requirements of the

material manufacturer.

6.3.4.

Damage caused during buffing must not exceed defined limits of repair, see paragraph 5.3, and must be repaired.

6.3.5.

6.3.6.

Buffing damage to diagonal ply tyres shall not extend beyond the outermost carcass ply in the crown area. It shall
be assumed that the first ply encountered is a carcass ply unless a breaker can be positively identified. If a breaker
is fitted, localised damage is permissible.

Localised buffing damage to the belt of radial tyres is permissible. For larger damage it is permissible for the
complete belt or sections of the belt to be replaced. Where a protective breaker is fitted, and can be positively
identified as such, if it is damaged it is permissible to remove it and it need not be renewed.

6.3.7.

Exposed steel parts shall be treated as soon as possible with appropriate material as defined by the manufacturer
of that appropriate material.

6.4.

Retreading:

6.4.1.

The retreader must ensure that either the manufacturer or the supplier of repair materials, including patches, is
responsible for the following:

(a)

(b)

defining method(s) of application and storage, if requested by the retreader, in the national language of the
country in which the materials are to be used;

defining limits of damage for which the materials are designed, if requested by the retreader, in the national
language of the country in which the materials are to be used;

(c)

ensuring that reinforced patches for tyres, if correctly applied in carcass repairs, are suitable for the purpose;

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(d)

ensuring that the patches are capable of withstanding twice the maximum inflation pressure as given by the
tyre manufacturer;

(e)

ensuring the suitability of any other repair materials for the service intended.

The retreader shall be responsible for the correct application of the repair material and for ensuring that the repair
is free from any defects which may affect the satisfactory service life of the tyre.

The area surrounding a reinforced repair to a sidewall or shoulder of a radial ply tyre may bulge slightly when the
tyre is fitted and inflated to the recommended operating pressure. Reinforced repair materials with physical
properties that restrict the height of the bulge to not more than 4 mm shall be used.

The retreader shall ensure that either the manufacturer or the supplier of tread and sidewall material issues
specifications concerning the conditions of storage and use of the material in order to guarantee the material's
qualities. If requested by the retreader, this information shall be in the national language of the country in which
the materials are to be used.

The retreader must ensure that the repair material and/or compound is documented in a manufacturer's or
supplier's certificate. The material compound must be suitable for the intended use of the tyre.

The processed tyre shall be cured as soon as possible after the completion of all repairs and building-up
operations and at the latest according to the material manufacturer's specifications.

The tyre shall be cured for the length of time and at the temperature and pressure, appropriate to, and specified
for, the materials and processing equipment used. The dimensions of the mould must be appropriate to the
thickness of the new material and the size of the buffed tyre.

6.4.2.

6.4.3.

6.4.4.

6.4.5.

6.4.6.

6.4.7.

6.4.8.

The thickness of original material after buffing and the average thickness of any new material under the tread
pattern after retreading shall be as given in paragraphs 6.4.8.1 and 6.4.8.2.

6.4.8.1.

For radial ply tyres (mm):

3 ≤ (A+B) ≤ 13 (minimum 3,0 mm; maximum 13,0 mm)

A ≥ 2 (minimum 2,0 mm)

B ≥ 0 (minimum 0,0 mm)

P.D. = Pattern depth

X

A

B

= Buff line

= Average thickness of new material under pattern

= Minimum thickness of original material above belt after buffing

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6.4.8.2.

For diagonal (Bias-ply) tyres:

The thickness of original material above the breaker shall be ≥ 0,80 mm;

The average thickness of new material above the buffed casing line shall be ≥ 2,00 mm;

The combined thickness of original and new material beneath the base of the grooves of the tread pattern shall be
≥ 3,00 mm and ≤ 13,00 mm.

6.4.9.

The service description of a retreaded tyre shall not show either a higher speed symbol or a higher load index than
that of the original, first life, tyre unless approval has been granted to the manufacturer of the original, first life,
tyre for that same carcass to be used at the revised service description.

Information that an original, first life, carcass has been upgraded in this way shall be made freely available by an
approval authority to any retreading production unit and shall be communicated to other parties to the 1958
Agreement (see Article 5 of the Agreement Concerning the Adoption of Uniform Technical Prescriptions for
Wheeled Vehicles, Equipment and Parts which can be Fitted and/or Used on Wheeled Vehicles and the Conditions
for Reciprocal Recognition of Approvals Granted on the basis of these Prescriptions — document E/ECE/324-E/
ECE/TRANS/505/Rev.2).

The standard form shown in Annex 1 to Regulation No. 54 shall be used to communicate this information.

6.4.10.

Upgrading of the service description as given in paragraph 6.4.9 shall only be permitted for the first retread of an
original, first life tyre.

Tyres which have been previously retreaded shall not have either the speed symbol or the load index raised above
that shown on the used casing.

6.5.

Inspection:

6.5.1.

After curing, whilst a degree of heat is retained in a tyre, each retreaded tyre shall be examined to ensure that it is
free from any apparent defects. During or after retreading the tyre must be inflated to at least 1,5 bar for
examination. Where there is any apparent defect in the profile of the tyre (e.g. blister, depression, etc.) the tyre
shall be specifically examined to determine the cause of this defect.

6.5.2.

Before, during or after retreading the tyre shall be checked at least once for the integrity of its structure by means
of a suitable inspection method.

6.5.3.

For the purposes of quality control a number of retreaded tyres shall be subjected to destructive or non
destructive testing or examination. The quantity of tyres checked and the results shall be recorded.

6.5.4.

After retreading, the dimensions of the retreaded tyre, when measured in accordance with Annex 6 to this
Regulation, must conform either to dimensions calculated according to the procedures in paragraph 7 or to those
given in Annex 5 to this Regulation. Note that the maximum outer diameter of a retreaded tyre may be up to
1,5 % greater than the maximum outer diameter of a new, original tyre permitted by Regulation No 54.

6.6.

Performance test:

6.6.1.

Tyres retreaded to comply with this Regulation shall be capable of meeting the load/speed endurance test as
specified in Annex 7 to this Regulation.

6.6.2.

A retreaded tyre which after undergoing the load/speed endurance test does not exhibit any tread separation, ply
separation, cord separation, chunking or broken cords shall be deemed to have passed the test.

6.6.3.

The outer diameter of the tyre, measured six hours after the load/speed endurance test, must not differ by more
than ± 3,5 % from the outer diameter as measured before the test.

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7.

7.1.

SPECIFICATIONS

Tyres retreaded to comply with this Regulation shall conform to the following dimensions:

7.1.1.

Section width:

7.1.1.1.

The section width shall be calculated by the following formula:

S = S1 + K (A - A1)

where:

S:
S1:

A:
A 1:

K:

is the actual section width in millimetres as measured on the test rim;
is the value of the “Design Section Width”, referred to the measuring rim, as quoted in the International Tyre
Standard specified by the retreader for the tyre size in question;
is the width of the test rim in millimetres;
is the width in millimetres of the measuring rim as quoted in the International Tyre Standard specified by
the retreader for the tyre size in question.
is a factor and shall be taken to equal 0,4.

7.1.2.

Outer diameter:

7.1.2.1.

The theoretical outer diameter of a retreaded tyre shall be calculated by the following formula:

D = d + 2H

where:

D:
d:
H:

is the theoretical outer diameter in millimetres;
is the conventional number defined in paragraph 2.21.3 in millimetres;
is nominal section height in millimetres and is equal to Sn multiplied by 0,01 Ra

where:

Sn:

is the nominal section width in millimetres;

Ra:

is the nominal aspect ratio.

All of the above symbols are as quoted in the tyre size designation as shown on the sidewall of the tyre in
conformity with the requirements of paragraph 3.2.2 and as defined in paragraph 2.21.

7.1.2.2. However, for tyres whose designation is given in the first column of the tables in Annex 5 to ECE Regulation

No 54, the outer diameter shall be that given in those tables.

7.1.3.

Method of measuring retreaded tyres:

7.1.3.1.

The dimensions of retreaded tyres shall be measured in accordance with the procedures given in Annex 6 to this
Regulation.

7.1.4.

Section width specifications:

7.1.4.1.

The actual overall width may be less than the section width or widths determined in paragraph 7.1.

7.1.4.2.

The actual overall width may also exceed the value or values determined in paragraph 7.1 by:

4 % in the case of radial ply tyres, and

8 % in the case of diagonal (bias-ply) and bias belted tyres.

However, for tyres with a section width exceeding 305 mm, intended for fitting in dual (twin) formation, the
nominal value or values shall not be exceeded by more than:

2 % in the case of radial ply tyres, and

4 % for diagonal (bias-ply) and bias belted tyres.

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7.1.5.

Outer diameter specifications:

7.1.5.1.

The actual outer diameter of a retreaded tyre must not be outside the values of Dmin and Dmax obtained by the
following formulae:

Dmin = d + (2H x a)

Dmax = 1,015 x [d + (2H x b)]

where:

7.1.5.1.1. For sizes not given in the tables in Annex 5 to this Regulation, “H” and “d” are as defined in paragraph 7.1.2.1.

7.1.5.1.2. for sizes mentioned in paragraph 7.1.2.2 above:

H = 0,5 (D - d)

where “D” is the outer diameter and “d” the Nominal rim diameter quoted in the abovementioned tables for the
size in question.

7.1.5.1.3. The coefficient “a” = 0,97

7.1.5.1.4. The coefficient “b” is:

for normal use tyres

for special use tyres

Radial tyres

Diagonal (bias-ply) and bias belted
tyres

1,04

1,06

1,07

1,09

7.1.5.2.

For snow tyres the maximum outer diameter (Dmax) calculated in paragraph 7.1.5.1 may be exceeded by not
more than 1 %.

8.

MODIFICATIONS TO THE APPROVAL

8.1.

Every modification concerning a retreading production unit amending any of the information given by the
retreading production unit in the Application for Approval, see paragraph 4, shall be notified to the approval
authority which approved the retreading production unit. That authority may then either:

8.1.1.

Consider that the modifications made are unlikely to have an appreciable adverse effect and that in any case the
retreading production unit still meets the requirements; or

8.1.2.

Require a further investigation of the approval.

8.2.

Confirmation of, or refusal of, approval, specifying the modifications, shall be communicated by the procedure
specified in paragraph 5.7 to the Parties to the Agreement which apply this Regulation.

9.

CONFORMITY OF PRODUCTION

The conformity of production procedures shall comply with those set out in the Agreement, Appendix 2
(E/ECE/324-E/ECE/TRANS/505/Rev.2), with the following requirements:

The retreading production unit approved according to this Regulation shall conform to the requirements set out
in paragraph 6.

The holder of the approval shall ensure that, during each year of production, and spread throughout that year, at
least the following number of tyres, representative of the range being produced,
is checked and tested as
prescribed in this Regulation:

9.1.

9.2.

9.2.1.

0,01 % of the total annual production but in any case not less than 2 and not necessarily more than 10.

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9.3.

9.4.

If the requirements of paragraph 9.2 are carried out by or under the control of the approval authority, the results
may be used as part of, or instead of, those prescribed in paragraph 9.4.

The authority which has approved the retreading production unit may at any time verify the conformity control
methods applied in each production facility. For each production facility, the type approval authority shall take
samples at random during each and every production year and at least the following number of tyres,
representative of the range being produced, shall be checked and tested as prescribed in this Regulation:

9.4.1.

0,01 % of the total annual production but in any case not less than 2 and not necessarily more than 10.

9.5.

The tests and checks of paragraph 9.4 may replace those required in paragraph 9.2.

10.

PENALTIES FOR NON-CONFORMITY OF PRODUCTION

10.1.

10.2.

The approval granted in respect of a retreading production unit pursuant to this Regulation may be withdrawn if
the requirements of paragraph 9 are not complied with or if the retreading production unit or the retreaded tyres
produced by that retreading production unit have failed to meet the requirements prescribed in paragraph 9.

If a Party to the Agreement which applies this Regulation withdraws an approval it has previously granted, it shall
forthwith so notify the other Contracting Parties to the 1958 Agreement applying this Regulation, by means of a
communication form conforming to the model shown in Annex 1 to this Regulation.

11.

PRODUCTION DEFINITELY DISCONTINUED

The authority which granted the approval of the retreading production unit shall be informed if operations and
manufacture of retreaded tyres approved within the scope of this Regulation cease. On receipt of this information
the authority shall communicate this information to the other Parties to the 1958 Agreement applying this
Regulation by means of a communication form conforming to the model shown in Annex 1 to this Regulation.

12.

12.1.

12.2.

NAMES AND ADDRESSES OF TECHNICAL SERVICES RESPONSIBLE FOR CONDUCTING APPROVAL TESTS,
OF TEST LABORATORIES, AND OF ADMINISTRATIVE DEPARTMENTS

The Parties to the 1958 Agreement which apply this Regulation shall communicate to the United Nations
Secretariat the names and addresses of the technical services responsible for conducting approval tests and, where
applicable, of the approved test laboratories and of the administrative departments which grant approval and to
which forms certifying approval or refusal or withdrawal of approval or production definitely discontinued,
issued in other countries, are to be sent.

The Parties to the 1958 Agreement which apply this Regulation may use laboratories of tyre manufacturers or
retreading production units and may designate, as approved test laboratories, those which are situated either in
the territory of that Party or in the territory of another Party to the 1958 Agreement subject to a preliminary
acceptance of this procedure by the competent administrative department of the latter.

12.3.

Where a Party to the 1958 Agreement applies paragraph 12.2, it may, if it so desires, be represented at the tests.

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ANNEX 1

COMMUNICATION

(Maximum format: A4 (210 x 297 mm))

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ANNEX 2

ARRANGEMENT OF APPROVAL MARK

a = 12 mm (minimum)

The above approval mark affixed to a retreaded tyre shows that the retreading production unit concerned has been approved
in the Netherlands (E4) under approval number 109R002439 meeting the requirements of this Regulation in its original
form (00).

The approval number must be placed close to the circle and either above or below the “E” or left or right of that letter. The
digits of the approval number must be on the same side of the “E” and face in the same direction. The use of Roman
numerals as approval numbers should be avoided so as to prevent any confusion with other symbols.

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ANNEX 3

ARRANGEMENT OF RETREAD TYRE MARKINGS

b: 6 mm (min.)
c: 4 mm (min.)
d: 3 mm (min.)
and since 1998: 4 mm (min.)

Tyres of

rim diameter ≤ code 20 or

≤ 508 mm

or of section width

≤ 235 mm or ≤ 9"

MINIMUM HEIGHTS OF MARKINGS (mm)

Tyres of rim diameter

> code 20 or

> 508 mm

or of section width

> 235 mm or > 9"

6

9

4

6

b

c

d

The above example defines a retreaded pneumatic tyre:

Having a nominal section width of 295;

Having a nominal aspect ratio of 80;

Of radial-ply structure (R);

Having a nominal rim diameter of 572 mm, for which the code is 22.5;

Having load capacities of 3 550 kg (single) and 3 150 kg (twinned or dual), corresponding respectively to the load indices 152 and 148 shown in Annex 4
to this Regulation;

Having a nominal speed symbol K (reference speed 110 km/h);

Able to be used at the Unique Point, speed symbol L (reference speed 120 km/h); with a load capacity of 3 350 kg (single) and 3 000 kg (twinned or dual),
corresponding respectively to the load indices 150 and 146 shown in Annex 4 to this Regulation;

Intended to be used without an inner tube (TUBELESS) and of Snow type (M+S);

Retreaded in the weeks 25, 26, 27 or 28 of the year 2003.

Requiring to be inflated to 620 kPa for load/speed endurance tests, for which the PSI symbol is 90.

The positioning and order of the markings constituting the tyre designation shall be as follows:

(a)

(b)

(c)

(d)

(e)

The size designation, comprising the nominal section width, the nominal aspect ratio, the type-of-structure symbol (where applicable) and the
nominal rim diameter, shall be grouped as shown in the above example, that is: 295/80 R 22,5;

The service description, comprising the load indices and the speed symbol shall be placed together near the size designation. It may either precede
the size designation or follow it or be placed above or below it;

The symbol “TUBELESS” and “M+S” may be at a distance from the size-designation symbol.

The word “RETREAD” may be at a distance from the size-designation symbol.

If paragraph 3.2.5 of this Regulation is applied, the additional service description (Unique Point), comprising the load indices and speed symbol,
must be shown inside a circle near the nominal service description appearing on the tyre sidewall.

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LIST OF LOAD INDICES AND CORRESPONDING LOAD CAPACITIES

ANNEX 4

Load index (LI) and load capacity — kg

kg

140

145

150

155

160

165

170

175

180

185

190

195

200

206

212

218

224

230

236

243

250

257

265

272

280

290

300

307

315

325

335

345

355

365

375

387

400

412

425

437

LI

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

kg

450

462

475

487

500

515

530

545

560

580

600

615

630

650

670

690

710

730

750

775

800

825

850

875

900

925

950

975

1 000

1 030

1 060

1 090

1 120

1 150

1 180

1 215

1 250

1 285

1 320

1 360

LI

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

kg

1 400

1 450

1 500

1 550

1 600

1 650

1 700

1 750

1 800

1 850

1 900

1 950

2 000

2 060

2 120

2 180

2 240

2 300

2 360

2 430

2 500

2 575

2 650

2 725

2 800

2 900

3 000

3 075

3 150

3 250

3 350

3 450

3 550

3 650

3 750

3 875

4 000

4 125

4 250

4 375

LI

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

kg

4 500

4 625

4 750

4 875

5 000

5 150

5 300

5 450

5 600

5 800

6 000

6 150

6 300

6 500

6 700

6 900

7 100

7 300

7 500

7 750

8 000

8 250

8 500

8 750

9 000

9 250

9 500

9 750

10 000

10 300

10 600

10 900

11 200

11 500

11 800

12 150

12 500

12 850

13 200

13 600

LI

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

kg

14 000

14 500

15 000

15 500

16 000

16 500

17 000

17 500

18 000

18 500

19 000

19 500

20 000

20 600

21 200

21 800

22 400

23 000

23 600

24 300

25 000

25 750

26 500

27 250

28 000

29 000

30 000

30 750

31 500

32 500

33 500

34 500

35 500

36 500

37 500

38 750

40 000

41 250

42 500

43 750

LI

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

kg

45 000

46 250

47 500

48 750

50 000

51 500

53 000

54 500

56 000

58 000

60 000

61 500

63 000

65 000

67 000

69 000

71 000

73 000

75 000

77 500

80 000

82 500

85 000

87 500

90 000

92 500

95 000

97 500

100 000

103 000

106 000

109 000

112 000

115 000

118 000

121 500

125 000

128 500

132 000

136 000

LI

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

kg

45

46,2

47,5

48,7

50

51,5

53

54,5

56

58

60

61,5

63

65

67

69

71

73

75

77,5

80

82,5

85

87,5

90

92,5

95

97,5

100

103

106

109

112

115

118

121

125

128

132

136

LI

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

L 181/22

EN

Official Journal of the European Union

4.7.2006

ANNEX 5

TYRE SIZE DESIGNATION AND DIMENSIONS (IN ACCORDANCE WITH ECE REGULATION NO 54)

For this information refer to Annex 5 of ECE Regulation No 54

Note that with reference to paragraph 6.5.4 of this Regulation, the outer diameter of a retreaded tyre may in all cases be
greater than that shown in the tables in Annex 5 to Regulation No 54 but by no more than 1,5 %.

ANNEX 6

METHOD OF MEASURING PNEUMATIC TYRES

1.

2.

3.

4.

The tyre shall be mounted on the test rim specified by the retreader and inflated to the nominal inflation pressure
quoted in the nominated International Tyre Standard (see paragraph 4.1.4.7 of this Regulation) in relation to the
maximum load carrying capacity for that size and load index.

The tyre, fitted to the appropriate rim, shall be conditioned to the ambient temperature of the laboratory for at least
24 hours save as otherwise required by paragraph 6.6.3 of this Regulation.

The pressure shall be re-adjusted to the value in paragraph 1 of this Annex.

The overall width shall be measured at six equally spaced points around the tyre, taking account of the thickness of
any protective ribs or bands. The highest reading obtained shall be taken as the overall width.

5.

The outer diameter shall be calculated from a measurement of the maximum circumference of the inflated tyre.

4.7.2006

EN

Official Journal of the European Union

L 181/23

ANNEX 7

PROCEDURE FOR LOAD/SPEED ENDURANCE TESTS

(in principle in accordance with Regulation No 54)

1.

Preparing the tyre

1.1. Mount a retreaded tyre on the test rim specified by the retreader.

1.2. Use a new inner tube or combination of inner tube, valve and flap (as required) when testing tyres with inner tubes.

1.3.

Inflate the tyre to the pressure corresponding to the pressure index as specified in paragraph 3.2.10 of this Regulation.

1.4. Condition the tyre and wheel assembly at test-room temperature for not less than 3 hours.

1.5. Readjust the tyre pressure to that specified in paragraph 1.3 of this Annex.

2.

Test procedure

2.1. Mount the tyre and wheel assembly on the test axle and press it against the outer face of a smooth surfaced power-
driven test drum 1,70 m ± 1 % diameter having a surface at least as wide as the tyre tread. In certain cases a 2,00 m ±
1 % diameter drum may be used.

2.2. Apply to the test axle a series of test loads equal to a percentage of the load indicated in Annex 4 to this Regulation,
corresponding to the load index indicated on the tyre, and in accordance with the test programme below. Where the
tyre has load capacity indices for operation in both single and twin or dual formation the load corresponding to the
load index for single operation shall be used for the test.

2.2.1. In the case of a tyre with a load index ≤ 121 and a speed symbol ≥ Q (160 km/h), the test procedure shall be as

specified in paragraph 3 of this Annex.

2.2.2. For all other tyres the test procedure is as shown in Appendix 1 to this Annex.

2.3. Endurance test programme — See also Appendix 1 to this Annex.

2.3.1. The tyre pressure shall not be corrected throughout the test and the test load shall be kept constant throughout each

of the three test stages.

2.3.2. During the test the temperature of the test room shall be maintained at between 20 oC and 30 oC unless the tyre

manufacturer or retreader agrees to the use of a higher temperature.

2.4. The endurance test programme shall be carried out without interruption.

3.

Load/speed test procedure for tyres with a load index ≤ 121 and a speed symbol ≥ Q (160 km/h):

3.1. The load on the wheel and tyre shall be the following percentage of that corresponding to the load index of the tyre:

3.1.1. 90 % when tested on a drum of 1,70 m ± 1 % diameter;

3.1.2. 92 % when tested on a drum of 2,00 m ± 1 % diameter.

3.2. The initial phase test speed shall be 20 km/h less than that indicated by the speed symbol for the tyre.

3.2.1. Time taken to reach initial test speed shall be 10 minutes.

3.2.2. The duration of the first phase shall be 10 minutes.

L 181/24

EN

Official Journal of the European Union

4.7.2006

3.3. The second phase test speed shall be 10 km/h less than that indicated by the speed symbol for the tyre.

3.3.1. The duration of the second phase shall be 10 minutes.

3.4. The final phase test speed shall be the speed corresponding to that indicated by the speed symbol for the tyre.

3.4.1. The duration of the final phase shall be 30 minutes.

3.5. The duration of the entire test shall be 1 hour.

4.

Equivalent test method:

If a test method other than that given in paragraphs 2 or 3 of this Annex is used,
demonstrated.

its equivalence must be

4.7.2006

EN

Official Journal of the European Union

L 181/25

ANNEX 7

APPENDIX 1

ENDURANCE-TEST PROGRAMME

Load index

Speed sym-
bol

Test-drum speed (minimum-1)

Load placed on the wheel as a percentage of the
load corresponding to the load index

Radial-ply

Diagonal (bias ply) and bias belted

7 hours

16 hours

24 hours

122 or more

121 or less

F

G

J

K

L

M

F

G

J

K

L

M

N

P

100

125

150

175

200

225

100

125

150

175

200

250

275

300

100

100

125

150

—

—

100

125

150

175

175

200

—

—

66 %

84 %

101 %

70 %

4 h.

75 %

75 %

75 %

88 %

6 h.

97 %

97 %

97 %

106 %

114 %

114 %

114 %

Notes:
“Special-use” tyres (see paragraph 2.3.2 of this Regulation) shall be tested at a speed equal to 85 % of the speed prescribed for equivalent normal tyres.

L 181/26

EN

Official Journal of the European Union

4.7.2006

ANNEX 7

Appendix 2

RELATIONSHIP BETWEEN THE PRESSURE INDEX AND UNITS OF PRESSURE

Pressure index

(PSI)

20

25

30

35

40

45

50

55

60

65

70

75

80

85

90

95

100

105

110

115

120

125

130

135

140

145

150

...

bar

1,4

1,7

2,1

2,4

2,8

3,1

3,4

3,8

4,1

4,5

4,8

5,2

5,5

5,9

6,2

6,6

6,9

7,2

7,6

7,9

8,3

8,6

9,0

9,3

9,7

10,0

10,3

...

kPa

140

170

210

240

280

310

340

380

410

450

480

520

550

590

620

660

690

720

760

790

830

860

900

930

970

1 000

1 030

…

4.7.2006

EN

Official Journal of the European Union

L 181/27

ANNEX 8

VARIATION OF LOAD CAPACITY WITH SPEED: COMMERCIAL VEHICLE TYRES RADIAL AND DIAGONAL
PLY

(in accordance with UN/ECE Regulation No 54)

Speed

(km/h)

All load indices

Speed symbol

Variation of load capacity (%)

Load indices
≥ 122 (1)

Speed symbol

F

+ 150

+ 110

+ 80

+ 65

+ 50

+ 35

+ 25

+ 19

+ 15

+ 13

+ 12

+ 11

+ 10

+ 7,5

+ 5,0

+ 2,5

0

– 3

– 6

– 10

– 15

G

+ 150

+ 110

+ 80

+ 65

+ 50

+ 35

+ 25

+ 19

+ 15

+ 13

+ 12

+ 11

+ 10

+ 8,5

+ 7,0

+ 5,5

+ 4,0

+ 2,0

0

– 2,5

– 5

– 8

– 13

J

+ 150

+ 110

+ 80

+ 65

+ 50

+ 35

+ 25

+ 19

+ 15

+ 13

+ 12

+ 11

+ 10

+ 8,5

+ 7,0

+ 5,5

+ 4,0

+ 3,0

+ 2,0

+ 1,0

0

– 2

– 4

– 7

– 12

K

+ 150

+ 110

+ 80

+ 65

+ 50

+ 35

+ 25

+ 19

+ 15

+ 13

+ 12

+ 11

+ 10

+ 8,5

+ 7,0

+ 5,5

+ 4,0

+ 3,0

+ 2,0

+ 1,0

0

0

0

– 3

– 7

L

+ 150

+ 110

+ 80

+ 65

+ 50

+ 35

+ 25

+ 19

+ 15

+ 13

+ 12

+ 11

+ 10

+ 8,5

+ 7,0

+ 5,5

+ 4,0

+ 3,0

+ 2,0

+ 1,0

0

0

0

0

0

M

+ 150

+ 110

+ 80

+ 65

+ 50

+ 35

+ 25

+ 19

+ 15

+ 13

+ 12

+ 11

+ 10

+ 8,5

+ 7,0

+ 5,5

+ 4,0

+ 3,0

+ 2,0

+ 1,0

0

0

0

0

0

0

0

0

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

85

90

95

100

105

110

115

120

125

130

135

140

145

150

155

160

Load indices
≤ 121 (1)

Speed symbol

L

M

N

+ 110

+ 110

+ 110

+ 90

+ 75

+ 60

+ 50

+ 42

+ 35

+ 29

+ 25

+ 22

+ 20

+ 17,5

+ 15,0

+ 13,5

+ 12,5

+ 11,0

+ 10,0

+ 8,5

+ 7,5

+ 6,5

+ 5,0

+ 90

+ 75

+ 60

+ 50

+ 42

+ 35

+ 29

+ 25

+ 22

+ 20

+ 17,5

+ 15,0

+ 13,5

+ 12,5

+ 11,0

+ 10,0

+ 8,5

+ 7,5

+ 6,5

+ 5,0

+ 90

+ 75

+ 60

+ 50

+ 42

+ 35

+ 29

+ 25

+ 22

+ 20

+ 17,5

+ 15,0

+ 13,5

+ 12,5

+ 11,0

+ 10,0

+ 8,5

+ 7,5

+ 6,5

+ 5,0

+ 3,75

+ 3,75

+ 3,75

+ 2,5

+ 2,5

+ 2,5

+ 1,25

+ 1,25

+ 1,25

0

– 2,5

– 5,0

– 7,5

– 10

0

0

0

– 2,5

– 5

– 7,5

– 10,0

0

0

0

0

0

– 2,5

– 5,0

– 7,5

– 10,0

P (2)

+ 110

+ 90

+ 75

+ 60

+ 50

+ 42

+ 35

+ 29

+ 25

+ 22

+ 20

+ 17,5

+ 15,0

+ 13,5

+ 12,5

+ 11,0

+ 10,0

+ 8,5

+ 7,5

+ 6,5

+ 5,0

+ 3,75

+ 2,5

+ 1,25

0

0

0

0

0

0

0

– 2,5

– 5,0

(1) The load indices refer to operation in single formation.
(2)

Load variations are not allowed for speeds above 160 km/h. For speed symbols “Q” and above the speed corresponding to the speed symbol specifies the maximum
permissible speed for the tyre.

L 181/28

EN

Official Journal of the European Union

4.7.2006

ANNEX 9

EXPLANATORY FIGURE

See paragraph 2 of this Regulation

”

4.7.2006

EN

Official Journal of the European Union

L 181/29

ANNEX II

“Regulation No 108

UNIFORM PROVISIONS CONCERNING THE APPROVAL FOR THE PRODUCTION OF RETREADED
PNEUMATIC TYRES FOR MOTOR VEHICLES AND THEIR TRAILERS

(Consolidated text)

CONTENTS

REGULATION

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Application for approval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Approval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Modifications to the approval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Conformity of production . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Penalties for non-conformity of production . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Production definitely discontinued . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12. Names and addresses of

test
laboratories, and of administrative departments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

technical services responsible for conducting approval tests, of

Page

30

30

35

36

36

37

41

43

43

43

44

44

ANNEXES

Annex 1

Communication concerning the approval or extension or refusal or withdrawal of approval
or production definitely discontinued of a retreading production unit pursuant to Regulation
No 108

Annex 2

Arrangement of approval marks

Annex 3

Arrangement of retread tyre markings

Annex 4

List of load indices and corresponding load capacities

Annex 5

Tyre size designation and dimensions

Annex 6

Method of measuring pneumatic tyres

Annex 7

Procedure for load/speed endurance tests

Annex 8

Explanatory figure

L 181/30

EN

Official Journal of the European Union

4.7.2006

1.

SCOPE

This Regulation applies to the production of retreaded tyres intended to be fitted to private (passenger) cars and
their trailers used on the road. It does not however apply to:

1.1.

Retreaded tyres for commercial vehicles and their trailers.

1.2.

Retreaded tyres with a speed capability below 120 km/h or above 300 km/h.

1.3.

Tyres for cycles and motorcycles.

1.4.

Tyres originally produced without speed symbols and load indices.

1.5.

Tyres originally produced without type approval and without either an “E” or “e” mark.

1.6.

Tyres designed for the equipment of cars produced prior to 1939.

1.7.

Tyres designed exclusively for competition or off road use and marked accordingly.

1.8.

Tyres designated as “T type” temporary use spares.

2.

DEFINITIONS — See also figure in Annex 8

For the purpose of this Regulation:

2.1.

“Range of retreaded pneumatic tyres” — means a range of retreaded pneumatic tyres as quoted in paragraph 4.1.4.

2.2.

“Structure” of a pneumatic-tyre means the technical characteristics of the tyre's carcass. The following structures
are distinguished in particular:

2.2.1.

“Diagonal” or “bias ply” describes a pneumatic-tyre structure in which the ply cords extend to the beads and are
laid at alternate angles substantially less than 90o to the centreline of the tread.

2.2.2.

“Bias belted” describes a pneumatic-tyre structure of diagonal (bias-ply) type in which the carcass is stabilised by a
belt, comprising two or more layers of substantially inextensible cord material laid at alternate angles close to
those of the carcass.

2.2.3.

“Radial” describes a pneumatic-tyre structure in which the ply cords extend to the beads and are laid substantially
at 90o to the centreline of the tread, the carcass being stabilised by an essentially inextensible circumferential belt.

2.3.

“Category of use”

2.3.1.

Normal tyre is a tyre intended for normal road use only.

2.3.2.

Snow tyre is a tyre whose tread pattern, or tread pattern and structure, is primarily designed to ensure, in mud
and fresh or melting snow, a performance better than that of a normal tyre. The tread pattern of a snow tyre
generally consists of groove (rib) and solid block elements more widely spaced than on a normal tyre.

2.3.3.

Temporary use spare tyre is a tyre different from that intended to be fitted to any vehicle for normal driving
conditions but intended only for temporary use under restricted driving conditions.

2.3.4.

“T” type temporary use spare tyre is a type of temporary use spare tyre designed for use at inflation pressures
higher than those established for standard and reinforced tyres.

4.7.2006

EN

Official Journal of the European Union

L 181/31

2.4.

“Bead” means the part of a pneumatic-tyre which is of such shape and structure as to fit the rim and hold the tyre
on it.

2.5.

“Cord” means the strands forming the fabric of the plies in the pneumatic-tyre.

2.6.

“Ply” means a layer of “rubber” coated parallel cords.

2.7.

“Belt” applies to a radial ply or bias belted tyre and means a layer or layers of material or materials underneath the
tread, laid substantially in the direction of the centre line of the tread to restrict the carcass in a circumferential
direction.

2.8.

“Breaker” applies to a diagonal ply tyre and means an intermediate ply between the carcass and tread.

2.9.

“Chafer” means material in the bead area to protect the carcass against chafing or abrasion by the wheel rim.

2.10.

2.11.

2.12.

2.13.

“Carcass” means that structural part of a pneumatic-tyre other than the tread and outermost “rubber” of the
sidewalls which, when inflated, supports the load.

“Tread” means that part of a pneumatic-tyre which is designed to come into contact with the ground, protects the
carcass against mechanical damage and contributes to ground adhesion.

“Sidewall” means the part of a pneumatic tyre between the tread and the area designed to be covered by the rim
flange.

“Lower area of tyre” means the area included between the line of maximum section width of the tyre and the area
designed to be covered by the edge of the rim.

2.14.

“Tread groove” means the space between the adjacent ribs or blocks in the tread pattern.

2.15.

2.16.

2.17.

2.18.

2.19.

“Principal grooves” means the wide grooves situated in the central zone of the tread, which cover approximately
three-quarters of the breadth of the tread.

“Section width” means the linear distance between the outside of the sidewalls of an inflated pneumatic-tyre,
when fitted to the specified measuring rim, but excluding elevations due to labelling (marking), decoration or
protective bands or ribs.

“Overall width” means the linear distance between the outside of the sidewalls of an inflated pneumatic-tyre,
when fitted to the specified measuring rim, and including

“Section height” means a distance equal to half the difference between the outer diameter of the tyre and the
nominal rim diameter.

“Nominal aspect ratio” means one hundred times the number obtained by dividing the number expressing the
nominal section height by the number expressing the nominal section width, both dimensions being in the same
units.

2.20.

“Outer diameter” means the overall diameter of an inflated, newly retreaded tyre.

2.21.

“Tyre size designation” means a designation showing:

2.21.1.

The nominal section width. This must be expressed in millimetres, except in cases of tyres for which the size
designation is shown in the first column of the tables in Annex 5 to this Regulation.

2.21.2.

The nominal aspect ratio except in cases of tyres for which the size designation is shown in the first column of the
tables in Annex 5 to this Regulation.

2.21.3.

A conventional number “d” (the “d” symbol) denoting the nominal rim diameter of the rim and corresponding to
its diameter expressed either by codes (numbers below 100) or in millimetres (numbers above 100). Numbers
corresponding to both types of measurements may be used in the designation.

L 181/32

EN

Official Journal of the European Union

4.7.2006

2.21.3.1. The values of the “d” symbols expressed in millimetres are shown below:

Nominal rim diameter code (d)

Value of the “d” symbol expressed in mm

8
9
10
11
12
13
14

15
16
17
18
19

20
21

203
229
254
279
305
330
356

381
406
432
457
483

508
533

2.22.

“Nominal rim diameter (d)” means the diameter of the rim on which a tyre is designed to be mounted.

2.23.

2.24.

2.25.

“Rim” means the support, either for a tyre-and-tube assembly or for a tubeless tyre, on which the tyre beads are
seated.

“Measuring rim” means the rim specified as a “measuring rim width” or “design rim width” for a particular tyre
size designation in any edition of one or more of the International Tyre Standards.

“Test rim” means any rim specified as approved or recommended or permitted in one of the International Tyre
Standards for a tyre of that size designation and type.

2.26.

“International Tyre Standard” means any one of the following standard documents:

(a)

(b)

(c)

(d)

(e)

(f)

The European Tyre and Rim Technical Organisation (ETRTO) (1): “Standards Manual”;

The European Tyre and Rim Technical Organisation (ETRTO) (1): “Engineering Design Information —
obsolete data”;

The Tire and Rim Association Inc. (TRA) (2): “Year Book”;

The Japan Automobile Tire Manufacturers Association (JATMA) (3): “Year Book”;

The Tyre and Rim Association of Australia (TRAA) (4): “Standards Manual”;

The Associaçiao Latino Americana de Pneus e Aros (ALAPA) (5): “Manual de Normal Technicas”;

(g)

The Scandinavian Tyre and Rim Organisation (STRO) (6): “Data Book”.

2.27.

“Chunking” means the breaking away of pieces of rubber from the tread.

2.28.

“Cord separation” means the parting of the cords from their rubber coating.

2.29.

“Ply separation” means the parting of adjacent plies.

ETRTO, 32 Av. Brugmann — Bte 2, B-1060 Brussels, Belgium

The tyre standards can be obtained from the following addresses:
(1)
(2) TRA, 175 Montrose West Avenue, Suite 150, Copley, Ohio, 44321 USA
(3)
(4) TRAA, Suite 1, Hawthorn House, 795 Glenferrie Road, Hawthorn, Victoria, 3122 Australia
(5) ALAPA, Avenida Paulista 2444-12o Andar, conj. 124, 01310 Sao Paulo, SP Brazil
(6)

STRO, Älggatan 48 A, Nb, S-216 15 Malmö, Sweden

JATMA, 9th Floor, Toranomon Building No 1-12, 1-Chome Toranomon Minato‑ku, Tokyo 105, Japan

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2.30.

“Tread separation” means the pulling away of the tread from the carcass.

2.31.

“Tread wear indicators” means the projections within the tread grooves designed to give a visual indication of the
degree of wear of the tread.

2.32.

“Service description” means the specific combination of the load index and speed symbol of the tyre.

2.33.

“Load index” means a numerical code which indicates the maximum load the tyre can support.

The list of load indices and the corresponding loads are shown in Annex 4 to this Regulation.

2.34.

“Speed symbol” means:

2.34.1.

An alphabetical symbol indicating the speed at which the tyre can carry the load given by the associated load
index.

2.34.2.

The speed symbols and corresponding speeds are as shown in the table below:

Speed symbol

Corresponding speed (km/h)

L
M
N
P
Q
R
S
T
U
H
V
W
Y

120
130
140
150
160
170
180
190
200
210
240
270
300

2.35.

“Maximum load rating” means the maximum mass which the tyre is rated to support.

2.35.1.

For speeds not exceeding 210 km/h, the maximum load rating shall not exceed the value corresponding to the
load index for the tyre.

2.35.2.

For speeds greater than 210 km/h but not exceeding 300 km/h, the maximum load rating shall not exceed the
percentage of the value associated with the load capacity index of the tyre, given in the table below, with reference
to the speed capability of the vehicle to which the tyre is to be fitted:

Tyre speed symbol

Maximum speed (km/h)

Maximum load rating ( %)

V

W

210
215
220
225
230
235
240

240
250
260
270

100,0
98,5
97,0
95,5
94,0
92,5
91,0

100
95
90
85

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Tyre speed symbol

Maximum speed (km/h)

Maximum load rating ( %)

Y

270
280
290
300

100
95
90
85

For intermediate maximum speeds a linear interpolation of the maximum load rating is permissible.

2.36.

“Retreading production unit” means a site or group of localised sites where finished retread tyres are produced.

2.37.

“Retreading” means the generic term for reconditioning a used tyre by replacing the worn tread with new
material. It may also include renovation of the outermost sidewall surface. It covers the following process
methods:

2.37.1.

“Top capping” — replacement of the tread.

2.37.2.

“Re-capping” — replacement of the tread and with the new material extending over part of the sidewall.

2.37.3.

“Bead to bead” — replacement of the tread and renovation of the sidewall including all or part of the lower area of
the tyre.

2.38.

“Casing” is the worn tyre comprising carcass and remaining tread and sidewall material.

2.39.

“Buffing” is the process of removing old material from the casing to prepare the surface for the new material.

2.40.

“Repair” is the remedial work carried out to damaged casings within recognised limits.

2.41.

“Tread material” is material in a condition suitable for replacing the worn tread. It can be in several forms for
example:

2.41.1.

“Camel-back” — pre-cut lengths of material which have been extruded to give the required cross section profile
and subsequently fitted cold to the prepared casing. The new material must be cured.

2.41.2.

“Strip-wound” — a ribbon of tread material which is directly extruded and wound on to the prepared casing and
built up to the required cross sectional contour. The new material must be cured.

2.41.3.

“Direct extrusion” — tread material extruded to give the required cross sectional profile and directly extruded on
to the prepared casing. The new material must be cured.

2.41.4.

“Pre-cured” — a previously formed and cured tread applied directly to the prepared casing. The new material must
be bonded to the casing.

2.42.

“Sidewall veneer” is material used to cover the sidewalls of the casing thereby allowing the required markings to be
formed.

2.43.

“Cushion gum” is material used as a bonding layer between new tread and casing and for repairing minor damage.

2.44.

“Cement” is an adhesive solution to hold new materials in place prior to the curing process.

2.45.

“Cure” is the term used to describe the change in physical properties of the new material which is brought about
usually by the application of heat and pressure for a set period of time under controlled conditions.

2.46.

“Radial run out” means the variation in radius of the tyre measured around the outer circumference of the tread
surface.

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2.47.

“Imbalance” means a measurement of the variation in distribution of mass around the centre axis of the tyre. It
can be measured as either “Static” or “Dynamic” imbalance.

3.

MARKINGS

3.1.

An example of the arrangement of retreaded tyre markings is shown in Annex 3 to this Regulation.

3.2.

Retreaded tyres shall display on both sidewalls in the case of symmetrical tyres and at least on the outer sidewall in
the case of asymmetrical tyres:

3.2.1.

The brand name or trade mark.

3.2.2.

The tyre-size designation as defined in paragraph 2.21.

3.2.3.

An indication of the structure as follows:

3.2.3.1. On diagonal (bias-ply) tyres; no indication, or the letter “D” placed in front of the rim diameter marking.

3.2.3.2. On radial-ply tyres; the letter “R” placed in front of the rim-diameter marking and optionally the word “RADIAL”.

3.2.3.3. On bias belted tyres; the letter “B” placed in front of the rim diameter marking and in addition the words “BIAS-

BELTED”.

3.2.4.

The service description comprising:

3.2.4.1. An indication of the tyre's nominal load capacity in the form of the load index prescribed in paragraph 2.33.

3.2.4.2. An indication of the tyre's nominal speed capability in the form of the symbol prescribed in paragraph 2.34.

3.2.5.

The word “TUBELESS” if the tyre is designed for use without an inner tube.

3.2.6.

The inscription M+S or MS or M.S. or M & S in the case of a snow tyre.

3.2.7.

The date of retreading as follows:

3.2.7.1. Up to 31 December 1999; either as prescribed in paragraph 3.2.7.2 or in the form of a group of three digits, the
first two showing the week number and the third, the year of the decade of manufacture. The date code can cover
a period of production from the week indicated by the week number up to and including the week number plus
three. For example, the marking “253” could indicate a tyre which was retreaded in weeks 25, 26, 27 or 28 of
the year 1993.

The date code may be marked on one sidewall only.

3.2.7.2. As from 1 January 2000; in the form of a group of four digits, the first two showing the week number and the
second two showing the year in which the tyre was retreaded. The date code can cover a period of production
from the week indicated by the week number up to and including the week number plus three. For example, the
marking “2503” could indicate a tyre which was retreaded in weeks 25, 26, 27 or 28 of the year 2003.

The date code may be marked on one sidewall only.

3.2.8.

The term “RETREAD” or “REMOULD” (after 1 January 1999 only the word “RETREAD” shall be used). At the
request of the retreader, the same term in other languages may also be added.

3.3.

3.4.

Prior to approval tyres shall exhibit a free space sufficiently large to accommodate an approval mark as referred to
in paragraph 5.8 and as shown in Annex 2 to this Regulation.

Following approval, the markings referred to in paragraph 5.8 and as shown in Annex 2 to this Regulation shall
be affixed in the free space referred to in paragraph 3.3. This marking may be affixed to one sidewall only.

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3.5.

3.6.

The markings referred to in paragraph 3.2 and the approval mark prescribed in paragraphs 3.4 and 5.8 shall be
clearly legible and shall be moulded on to or into the tyre or shall be permanently marked on to the tyre.

As far as any of the original manufacturer's specifications are still legible after the tyres have been retreaded, they
shall be regarded as specifications of the retreader for the retreaded tyre. If these original specifications do not
apply after retreading they shall be completely removed.

3.7.

The original “E” or “e” approval mark and number shall be removed.

4.

APPLICATION FOR APPROVAL

The following procedures are applicable to the approval of a tyre retreading production unit.

4.1.

The application for approval of a retreading production unit shall be submitted by the holder of the trade name or
trade mark to be applied to the tyre or by his duly accredited representative. It shall specify:

4.1.1.

An outline of the structure of the company producing the retreaded tyres.

4.1.2.

A brief description of the quality management system, which ensures the effective control of the tyre retreading
procedures to meet the requirements of this Regulation.

4.1.3.

The trade names or marks to be applied to the retreaded tyres produced.

4.1.4.

The following information in relation to the range of tyres to be retreaded:

4.1.4.1.

the range of tyre sizes;

4.1.4.2.

the structure of tyres (diagonal or bias ply, bias-belted or radial);

4.1.4.3.

the category of use of tyres (normal or snow tyres etc.);

4.1.4.4.

the system of retreading and the method of application of the new materials to be used, as defined in
paragraphs 2.37 and 2.41;

4.1.4.5.

the maximum speed symbol of the tyres to be retreaded;

4.1.4.6.

the maximum load index of the tyres to be retreaded.

4.1.4.7.

the nominated International Tyre Standard to which the range of tyres conform.

5.

APPROVAL

5.1.

5.2.

5.3.

To retread tyres requires the approval of the retreading production unit by the responsible authorities in
accordance with the requirements of this Regulation. The responsible authority takes the necessary measures as
described in this Regulation in order to ensure that the tyres retreaded in the respective production unit will meet
with the requirements stated in this Regulation. The retread production unit shall be fully responsible for ensuring
that the retreaded tyres will meet the requirements of this Regulation and that they will perform adequately in
normal use.

In addition to the normal requirements for the initial assessment of the tyre retreading production unit, the
approval authority shall be satisfied that the procedures, operation, instructions and specification documentation
provided by material suppliers are in a language readily understood by the tyre retreading production unit
operatives.

The approval authority shall ensure that the procedures and operations documentation for each production unit
contains specifications, appropriate to the repair materials and processes used, of the limits of repairable damage
or penetrations to the tyre carcass, whether such damage is existing or is caused during the processes of
preparation for retreading.

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5.4.

Before granting approval the authority must be satisfied that retreaded tyres conform to this Regulation and that
the tests prescribed in paragraphs 6.7 and 6.8 have been successfully carried out on at least five and not
necessarily more than 20 samples of retreaded tyres representative of the range of tyres produced by the
retreading production unit.

5.5.

In the case of each failure being recorded during tests, two further samples of the same specification tyre shall be
tested.

If either or both of these second two samples fail, then a final submission of two samples shall be tested.

If either or both of the final two samples fail, then the application for approval of the retreading production unit
shall be rejected.

If all the requirements of this Regulation are met, then approval shall be granted and an approval number shall be
assigned to each retreading production unit approved. The first two digits of this number shall indicate the series
of amendments incorporating the most recent major technical amendments made to the Regulation at the time of
issue of the approval. The approval number shall be preceded by “108R” signifying that the approval applies to a
tyre retreaded as prescribed in this Regulation. The same authority shall not assign the same number to another
production unit covered by this Regulation.

Notice of approval or of extension, refusal or withdrawal of approval or of production definitely discontinued
pursuant to this Regulation shall be communicated to the Parties to the 1958 Agreement applying this
Regulation, by means of a form conforming to the model in Annex 1 to this Regulation.

There shall be affixed conspicuously to every retreaded tyre conforming to this Regulation, in the space referred to
in paragraph 3.3 and in addition to the markings prescribed in paragraph 3.2, an international approval mark
consisting of:

5.6.

5.7.

5.8.

5.8.1.

A circle surrounding the letter “E” followed by the distinguishing number of the country which granted
approval (1); and

5.8.2.

An approval number as described in paragraph 5.6.

5.9.

Annex 2 to this Regulation gives an example of the arrangements of the approval mark.

6.

REQUIREMENTS

6.1.

Tyres shall not be accepted for retreading unless they have been type approved and bear either an “E” or “e” mark,
except that this requirement shall not be mandatory until 1 January 2000 at the latest.

6.1.1.

High speed tyres which have only the inscription “ZR” within the tyre size designation and do not bear a service
description shall not be retreaded.

6.2.

Tyres which have been previously retreaded shall not be accepted for further retreading.

6.3.

The age of the casing accepted for retreading shall not exceed seven years, based on the digits showing the year of
manufacture of the original tyre; e.g. the tyre marked with a date code “253” can be accepted for retreading till the
end of the year 2000.

6.4.

Conditions before retreading:

6.4.1.

Tyres shall be clean and dry before inspection.

6.4.2.

Before buffing, each tyre shall be thoroughly examined both internally and externally to ensure its suitability for
retreading.

(1) 1 for Germany, 2 for France, 3 for Italy, 4 for the Netherlands, 5 for Sweden, 6 for Belgium, 7 for Hungary, 8 for the Czech Republic,
9 for Spain, 10 for Yugoslavia, 11 for the United Kingdom, 12 for Austria, 13 for Luxembourg, 14 for Switzerland, 15 (vacant), 16 for
Norway, 17 for Finland, 18 for Denmark, 19 for Romania, 20 for Poland, 21 for Portugal, 22 for the Russian Federation, 23 for Greece, 24
for Ireland, 25 for Croatia, 26 for Slovenia, 27 for Slovakia, 28 for Belarus, 29 for Estonia, 30 (vacant), 31 for Bosnia and Herzegovina,
32-36 (vacant), 37 for Turkey, 38-39 (vacant), 40 for The Former Yugoslav Republic of Macedonia, 41 (vacant), 42 for the European
Community (Approvals are granted by its Member States using their respective ECE symbol) and 43 for Japan. Subsequent numbers shall
be assigned to other countries in the chronological order in which they ratify or accede to the Agreement Concerning the Adoption of
Uniform Technical Prescriptions for Wheeled Vehicles, Equipment and Parts which can be Fitted and/or be Used on Wheeled Vehicles and
the Conditions for Reciprocal Recognition of Approvals Granted on the Basis of these Prescriptions, and the numbers thus assigned shall
be communicated by the Secretary‑General of the United Nations to the Contracting Parties to the Agreement.

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6.4.3.

Tyres where damage is visible which has resulted from overload or underinflation shall not be retreaded.

6.4.4.

Tyres showing any of the following damage shall not be accepted for retreading:

6.4.4.1.

(a)

extensive cracking extending through to the carcass;

(b)

carcass penetrations or damage to casings above “H” speed symbol except where these casings are to be
downrated to a lower speed symbol;

(c)

previous repairs to damage outside specified injury limits — see paragraph 5.3;

(d)

carcas break up;

(e)

appreciable oil or chemical attack;

(f)

multiple damage too close together;

(g)

damaged or broken bead;

(h)

non repairable deterioration of or damage to inner liner;

(i)

(j)

bead damage other than minor “rubber” only damage;

exposed cords due to tread wear or sidewall scuffing;

(k)

non-repairable tread or sidewall material separation from the carcass;

(l)

structural damage in the area of the sidewall.

6.4.5.

Radial ply tyre carcasses with separation in the belt, other than slight belt edge looseness, shall not be accepted for
retreading.

6.5.

Preparation:

6.5.1.

After buffing, and before the application of new material, each tyre shall be thoroughly re-examined at least
externally to ensure its continued suitability for retreading.

6.5.2.

The entire surface to which new material is to be applied shall have been prepared without overheating. The
buffed surface texture shall not contain deep buffing lacerations or loose material.

6.5.3. Where precured material is to be used the contours of the prepared area shall meet the requirements of the

material manufacturer.

6.5.4.

Loose cord ends are not permissible.

6.5.5.

Casing cords shall not be damaged during the preparation process.

6.5.6.

Buffing damage to the belt of radial tyres shall be limited to localised damage to the outermost layer only.

6.5.7.

Buffing damage limits for diagonal ply tyres shall be as follows:

6.5.7.1.

For two ply construction, there shall not be any damage to the carcass except for slight localised buffing damage
to the casing joint.

6.5.7.2.

For two ply plus breaker construction of tubeless type tyres, there shall not be any damage to the carcass or
breaker.

6.5.7.3.

For two ply plus breaker construction of tube type tyres, localised damage to the breaker is permissible.

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6.5.7.4.

For four ply, or more, construction of tubeless type tyres, there shall not be any damage to the carcass or breaker.

6.5.7.5.

For four ply, or more, construction of tube type tyres, damage shall be limited to the outermost ply in the crown
area only.

6.5.8.

Exposed steel parts shall be treated as soon as possible with appropriate material as defined by the manufacturer
of that appropriate material.

6.6.

Retreading:

6.6.1.

The retreader must ensure that either the manufacturer or the supplier of repair materials, including patches, is
responsible for the following:

(a)

(b)

defining method(s) of application and storage, if requested by the retreader, in the national language of the
country in which the materials are to be used;

defining limits of damage for which the materials are designed, if requested by the retreader, in the national
language of the country in which the materials are to be used;

(c)

ensuring that reinforced patches for tyres, if correctly applied in carcass repairs, are suitable for the purpose;

(d)

ensuring that the patches are capable of withstanding twice the maximum inflation pressure as given by the
tyre manufacturer;

(e)

ensuring the suitability of any other repair materials for the service intended.

6.6.2.

The retreader shall be responsible for the correct application of the repair material and for ensuring that the repair
is free from any defects which may affect the satisfactory service life of the tyre.

6.6.3.

The retreader shall ensure that either the manufacturer or the supplier of tread and sidewall material issues
specifications concerning the conditions of storage and use of the material in order to guarantee the material's
qualities. If requested by the retreader, this information shall be in the national language of the country in which
the materials are to be used.

6.6.4.

The retreader must ensure that the repair material and/or compound is documented in a manufacturer's or
supplier's certificate. The material compound must be suitable for the intended use of the tyre.

6.6.5.

The processed tyre shall be cured as soon as possible after the completion of all repairs and building-up
operations and at the latest according to the material manufacturer's specifications.

6.6.6.

The tyre shall be cured for the length of time and at the temperature and pressure, appropriate to, and specified
for, the materials and processing equipment used.

6.6.7.

The dimensions of the mould shall be appropriate to the thickness of the new material and the size of the buffed
casing. Radial ply tyres, when moulded, shall be cured in radial or radially divided moulds only.

6.6.8.

The thickness of original material after buffing and the average thickness of any new material under the tread
pattern after retreading shall be as given in paragraphs 6.6.8.1 and 6.6.8.2. The thickness of material at any point
either across the breadth of the tread or around the circumference of the tyre shall be controlled in such a way
that the provisions of paragraphs 6.7.5 and 6.7.6 are met.

6.6.8.1.

For radial ply and bias belted tyres (mm):

1,5 ≤ (A+B) ≤ 5 (minimum 1,5 mm; maximum 5,0 mm)

A ≥ 1A 1A 1A 1A 1 (minimum 1,0 mm)

B ≥ 0.5B 0.5B 0.5B 0.5B 0.5 (minimum 0,5 mm)

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P.D. = Pattern depth

X = Buff line

A = Average thickness of new material under patternP.D. = Pattern depth X = Buff line A = Average thickness of
new material under patternP.D. = Pattern depth X = Buff line A = Average thickness of new material under
patternP.D. = Pattern depth X = Buff line A = Average thickness of new material under patternP.D. = Pattern depth
X = Buff line A = Average thickness of new material under pattern

B = Minimum thickness of original material above belt after buffing

6.6.8.2.

For diagonal (Bias-ply) tyres:

The thickness of original material above the breaker shall be ≥ 0,00 mm.

The average thickness of new material above the buffed casing line shall be ≥ 2,00 mm.

The combined thickness of original and new material beneath the base of the grooves of the tread pattern shall be
≥ 2,00 and ≤ 5,00 mm.

6.6.9.

The service description of a retreaded tyre shall not show either a higher speed symbol or a higher load index than
that of the original, first life, tyre.

6.6.10.

The minimum speed capability of a retreaded tyre shall be 120 km/h (“L” speed symbol) and the maximum shall
be 300 km/h (“Y” speed symbol).

6.6.11.

Tread wear indicators shall be incorporated as follows:

6.6.11.1. The retreaded pneumatic tyre shall include not less than six transverse rows of wear indicators, approximately
equispaced and situated in the principal grooves of the tread. The tread wear indicators shall be such that they
cannot be confused with the material ridges between the ribs or blocks of the tread.

6.6.11.2. However, in the case of tyres designed for mounting on rims of a nominal diameter of code 12 or less, four rows

of tread wear indicators are permissible.

6.6.11.3. The tread wear indicators shall provide a means of indicating, with a tolerance of + 0,60/‑0,00 mm, when the

tread grooves are no longer more than 1,6 mm deep.

6.6.11.4. The height of the tread wear indicators shall be determined by measuring the difference between the depth from
the tread surface to the top of the tread wear indicators and the base of the tread grooves, close to the slope at the
base of the tread wear indicators.

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6.7.

Inspection:

6.7.1.

After curing, whilst a degree of heat is retained in a tyre, each retreaded tyre shall be examined to ensure that it is
free from any apparent defects. During or after retreading the tyre must be inflated to at least 1,5 bar for
examination. Where there is any apparent defect in the profile of the tyre (e.g. blister, depression, etc.) the tyre
shall be specifically examined to determine the cause of this defect.

6.7.2.

Before, during or after retreading the tyre shall be checked at least once for the integrity of its structure by means
of a suitable inspection method.

6.7.3.

For the purposes of quality control a number of retreaded tyres shall be subjected to destructive and/or non-
destructive testing or examination. The quantity of tyres checked and the results shall be recorded.

6.7.4.

After retreading, the dimensions of the retreaded tyre, when measured in accordance with Annex 6 to this
Regulation, must conform either to dimensions calculated according to the procedures in paragraph 7 or to
Annex 5 to this Regulation.

6.7.5.

The radial run out of the retreaded tyre shall not exceed 1,5 mm (+0,4 mm measuring tolerance).

6.7.6.

The maximum static imbalance of the retreaded tyre, measured at the rim diameter, shall not exceed 1,5 % of the
mass of the tyre.

6.7.7.

Tread wear indicators shall conform to the requirements of paragraph 6.6.11.

6.8.

Performance test:

6.8.1.

Tyres retreaded to comply with this Regulation shall be capable of meeting the load/speed endurance test as
specified in Annex 7 to this Regulation.

6.8.2.

A retreaded tyre which after undergoing the load/speed endurance test does not exhibit any tread separation, ply
separation, cord separation, chunking or broken cords shall be deemed to have passed the test.

6.8.3.

The outer diameter of the tyre, measured six hours after the load/speed endurance test, must not differ by more
than ± 3,5 % from the outer diameter as measured before the test.

7.

SPECIFICATIONS

7.1.

Tyres retreaded to comply with this Regulation shall conform to the following dimensions:

7.1.1.

Section width:

7.1.1.1.

The section width shall be calculated by the following formula:

S = S1 + K (A — A1)

where:

S: is the actual section width in millimetres as measured on the test rim;

S1: is the value of the “Design Section Width”, referred to the measuring rim, as quoted in the International Tyre
Standard specified by the retreader for the tyre size in question;

A: is the width of the test rim in millimetres;

A1: is the width in millimetres of the measuring rim as quoted in the International Tyre Standard specified by the
retreader for the tyre size in question.

K: is a factor and shall be taken to equal 0,4.

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7.1.2.

Outer diameter:

7.1.2.1.

The theoretical outer diameter of a retreaded tyre shall be calculated by the following formula:

D = d + 2H

where:

D: is the theoretical outer diameter in millimetres;

d: is the conventional number defined in paragraph 2.21.3, in millimetres;

H: is nominal section height in millimetres and is equal to Sn multiplied by 0,01 Ra where:

where:

Sn: is the nominal section width in millimetres;

Ra: is the nominal aspect ratio.

All of the above symbols are as quoted in the tyre size designation as shown on the sidewall of the tyre in
conformity with the requirements of paragraph 3.2.2 and as defined in paragraph 2.21.

7.1.2.2. However, for tyres whose designation is given in the first column of the tables in Annex 5 to ECE Regulation No.

30, the outer diameter shall be that given in those tables.

7.1.3.

Method of measuring retreaded tyres:

7.1.3.1.

The dimensions of retreaded tyres shall be measured in accordance with the procedures given in Annex 6 to this
Regulation.

7.1.4.

Section width specifications:

7.1.4.1.

The actual overall width may be less than the section width or widths determined in paragraph 7.1.

7.1.4.2.

The actual overall width may also exceed the value or values determined in paragraph 7.1 by:

7.1.4.2.1. 4 % in the case of radial ply tyres and

7.1.4.2.2. 6 % in the case of diagonal (bias-ply) or bias belted tyres.

7.1.4.2.3. in addition, if the tyre has a special protective band, the width may be greater by up to 8 mm above the tolerances

given by paragraphs 7.1.4.2.1 and 7.1.4.2.2

7.1.5.

Outer diameter specifications:

7.1.5.1.

The actual outer diameter of a retreaded tyre must not be outside the values of Dmin and Dmax obtained by the
following formulae:

Dmin = d + (2H x a)

Dmax = d + (2H x b)

where:

7.1.5.1.1. For sizes not given in the tables in Annex 5 to this Regulation, “H” and “d” are as defined in paragraph 7.1.2.1.

7.1.5.1.2. For sizes mentioned in paragraph 7.1.2.2 above:

H = 0,5 (D — d)

where “D” is the outer diameter and “d” the Nominal rim diameter quoted in the abovementioned tables for the
size in question.

4.7.2006

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Official Journal of the European Union

L 181/43

7.1.5.1.3. The coefficient “a” = 0,97

7.1.5.1.4. The coefficient “b” is:

for normal use tyres

1,04

1,08

Radial tyres

Diagonal (bias-ply) and bias belted
tyres

7.1.5.2.

For snow tyres the maximum outer diameter (Dmax) calculated in paragraph 7.1.5.1 may be exceeded by not
more than 1 %.

8.

8.1.

MODIFICATIONS TO THE APPROVAL

Every modification concerning a retreading production unit amending any of the information given by the
retreading production unit in the Application for Approval, see paragraph 4, shall be notified to the approval
authority which approved the retreading production unit. That authority may then either:

8.1.1.

Consider that the modifications made are unlikely to have an appreciable adverse effect and that in any case the
retreading production unit still meets the requirements; or

8.1.2.

Require a further investigation of the approval.

8.2.

Confirmation of, or refusal of, approval, specifying the modifications, shall be communicated by the procedure
specified in paragraph 5.7 to the Parties to the Agreement which apply this Regulation.

9.

CONFORMITY OF PRODUCTION

The conformity of production procedures shall comply with those set out in the Agreement, Appendix 2 (E/ECE/
324-E/ECE/TRANS/505/Rev.2), with the following requirements.

The retreading production unit approved according to this Regulation shall conform to the requirements set out
in paragraph 6.

The holder of the approval shall ensure that, during each year of production, and spread throughout that year, at
least the following number of tyres, representative of the range being produced,
is checked and tested as
prescribed in this Regulation:

9.1.

9.2.

9.2.1.

0,01 % of the total annual production but in any case not less than five and not necessarily more than 20.

9.3.

9.4.

If the requirements of paragraph 9.2 are carried out by or under the control of the approval authority, the results
may be used as part of, or instead of, those prescribed in paragraph 9.4.

The authority which has approved the retreading production unit may at any time verify the conformity control
methods applied in each production facility. For each production facility the type approval authority shall take
samples at random during each and every production year and at least the following number of tyres,
representative of the range being produced, shall be checked and tested as prescribed in this Regulation:

9.4.1.

0,01 % of the total annual production but in any case not less than five and not necessarily more than 20.

9.5.

The tests and checks of paragraph 9.4 may replace those required in paragraph 9.2.

10.

PENALTIES FOR NON-CONFORMITY OF PRODUCTION

10.1.

10.2.

The approval granted in respect of a retreading production unit pursuant to this Regulation may be withdrawn if
the requirements of paragraph 9 are not complied with or if the retreading production unit or the retreaded tyres
produced by that retreading production unit have failed to meet the requirements prescribed in that paragraph.

If a Party to the Agreement which applies this Regulation withdraws an approval it has previously granted, it shall
forthwith so notify the other Contracting Parties to the 1958 Agreement applying this Regulation, by means of a
communication form conforming to the model shown in Annex 1 to this Regulation.

L 181/44

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Official Journal of the European Union

4.7.2006

11.

PRODUCTION DEFINITELY DISCONTINUED

The authority which granted the approval of the retreading production unit shall be informed if operations and
manufacture of retreaded tyres approved within the scope of this Regulation cease. On receipt of this information
the authority shall communicate this information to the other Parties to the 1958 Agreement applying this
Regulation by means of a communication form conforming to the model shown in Annex 1 to this Regulation.

12.

NAMES AND ADDRESSES OF TECHNICAL SERVICES RESPONSIBLE FOR CONDUCTING APPROVAL TESTS,
OF TEST LABORATORIES, AND OF ADMINISTRATIVE DEPARTMENTS

12.1.

12.2.

The Parties to the 1958 Agreement which apply this Regulation shall communicate to the United Nations
Secretariat the names and addresses of the technical services responsible for conducting approval tests and, where
applicable, of the approved test laboratories and of the administrative departments which grant approval and to
which forms certifying approval or refusal or withdrawal of approval, issued in other countries, are to be sent.

The Parties to the 1958 Agreement which apply this Regulation may use laboratories of tyre manufacturers or
retreading production units and may designate, as approved test laboratories, those which are situated either in
the territory of that Party or in the territory of another Party to the 1958 Agreement subject to a preliminary
acceptance of this procedure by the competent administrative department of the latter.

12.3.

Where a Party to the 1958 Agreement applies paragraph 12.2, it may, if it desires, be represented at the tests.

4.7.2006

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Official Journal of the European Union

L 181/45

ANNEX 1

COMMUNICATION

(maximum format: A4 (210 x 297 mm))

L 181/46

EN

Official Journal of the European Union

4.7.2006

ANNEX 2

ARRANGEMENT OF APPROVAL MARK

The above approval mark affixed to a retreaded tyre shows that the retreading production unit concerned has been approved
in the Netherlands (E4) under approval number 108R002439, meeting the requirements of this Regulation in its original
form (00).

The approval number must be placed close to the circle and either above or below the “E” or left or right of that letter. The
digits of the approval number must be on the same side of the “E” and face in the same direction. The use of Roman
numerals as approval numbers should be avoided so as to prevent any confusion with other symbols.

4.7.2006

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Official Journal of the European Union

L 181/47

ANNEX 3

ARRANGEMENT OF RETREAD TYRE MARKINGS

Example of the markings to be borne by retreaded tyres placed on the market after the entry into force of this Regulation

These markings define a retreaded tyre:

— having a nominal section width of 185;

— having a nominal aspect ratio of 70;

— of radial-ply structure (R);

— having a nominal rim diameter of code 14;

— having a service description “89T” indicating a load capacity of 580 kg corresponding to a load index of “89” and a

maximum speed capability of 190 km/h corresponding to a speed symbol “T”;

— for fitting without an inner tube (“TUBELESS”);

— of snow type (M+S);

— retreaded in the weeks 25, 26, 27 or 28 of the year 2003.

The positioning and order of the markings constituting the tyre designation shall be as follows:

(a)

(b)

the size designation, comprising the nominal section width, the nominal aspect ratio, the type-of-structure symbol
(where applicable) and the nominal rim diameter shall be grouped as shown in the above example: 185/70 R 14;

the service description comprising the load index and the speed symbol shall be placed near the size designation. It
may either precede the size designation or follow it or be placed above or below it;

(c)

the symbols “TUBELESS”, “REINFORCED”, and “M + S” may be at a distance from the size designation.

(d)

the word “RETREAD” may be at a distance from the size designation.

L 181/48

EN

Official Journal of the European Union

4.7.2006

LIST OF LOAD INDICES AND CORRESPONDING LOAD CAPACITIES

ANNEX 4

Load index (LI) and load capacity (kg)

LI

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

kg

45

46,2

47,5

48,7

50

51,5

53

54,5

56

58

60

61,5

63

65

67

69

71

73

75

77,5

80

82,5

85

87,5

90

92,5

95

97,5

100

103

106

109

112

115

118

121

125

128

132

136

LI

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

kg

140

145

150

155

160

165

170

175

180

185

190

195

200

206

212

218

224

230

236

243

250

257

265

272

280

290

300

307

315

325

335

345

355

365

375

387

400

412

425

437

LI

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

kg

450

462

475

487

500

515

530

545

560

580

600

615

630

650

670

690

710

730

750

775

800

825

850

875

900

925

950

975

1 000

1 030

1 060

1 090

1 120

1 150

1 180

1 215

1 250

1 285

1 320

1 360

LI

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

kg

1 400

1 450

1 500

1 550

1 600

1 650

1 700

1 750

1 800

1 850

1 900

1 950

2 000

2 060

2 120

2 180

2 240

2 300

2 360

2 430

2 500

2 575

2 650

2 725

2 800

2 900

3 000

3 075

3 150

3 250

3 350

3 450

3 550

3 650

3 750

3 875

4 000

4 125

4 250

4 375

LI

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

kg

4 500

4 625

4 750

4 875

5 000

5 150

5 300

5 450

5 600

5 800

6 000

6 150

6 300

6 500

6 700

6 900

7 100

7 300

7 500

7 750

8 000

8 250

8 500

8 750

9 000

9 250

9 500

9 750

10 000

10 300

10 600

10 900

11 200

11 500

11 800

12 150

12 500

12 850

13 200

13 600

LI

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

kg

14 000

14 500

15 000

15 500

16 000

16 500

17 000

17 500

18 000

18 500

19 000

19 500

20 000

20 600

21 200

21 800

22 400

23 000

23 600

24 300

25 000

25 750

26 500

27 250

28 000

29 000

30 000

30 750

31 500

32 500

33 500

34 500

35 500

36 500

37 500

38 750

40 000

41 250

42 500

43 750

LI

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

kg

45 000

46 250

47 500

48 750

50 000

51 500

53 000

54 500

56 000

58 000

60 000

61 500

63 000

65 000

67 000

69 000

71 000

73 000

75 000

77 500

80 000

82 500

85 000

87 500

90 000

92 500

95 000

97 500

100 000

103 000

106 000

109 000

112 000

115 000

118 000

121 500

125 000

128 500

132 000

136 000

4.7.2006

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Official Journal of the European Union

L 181/49

ANNEX 5

TYRE SIZE DESIGNATION AND DIMENSIONS

(in accordance with ECE Regulation No 30)

For this information refer to Annex 5 of ECE Regulation No 30

ANNEX 6

METHOD OF MEASURING PNEUMATIC TYRES

1.

Preparing the tyre

1.1. The tyre shall be mounted on the test rim specified by the retreader and inflated to the pressure of 3 to 3,5 bar.

1.2. The tyre pressure shall be adjusted as follows:

1.2.1. for standard bias belted tyres — to 1,7 bar;

1.2.2 for diagonal (bias ply) tyres — to:

Ply rating

L, M, N

P, Q, R, S

T, U, H, V

Pressure (bar) for Speed symbol

4

6

8

1,7

2,1

2,5

2,0

2,4

2,8

—

2,6

3,0

1.2.3. for standard radial tyres — to 1,8 bar;

1.2.4. for reinforced tyres — to 2,3 bar.

2.

Measuring procedure

2.1. The tyre, mounted on its rim, shall be conditioned at the ambient room temperature for not less than 24 hr, save as

otherwise required by paragraph 6.8.3 of this Regulation.

2.2. The tyre pressure shall be readjusted to the level specified in paragraph 1.2 of this Annex.

2.3. The overall width shall be measured at six equally spaced points around the tyre, taking account of the thickness of

any protective ribs or bands. The highest reading obtained shall be taken as the overall width.

2.4. The outer diameter shall be calculated from a measurement of the maximum circumference of the inflated tyre.

L 181/50

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Official Journal of the European Union

4.7.2006

ANNEX 7

PROCEDURE FOR LOAD/SPEED ENDURANCE TESTS

(in principle in accordance with Annex 7 of Regulation No 30)

1.

Preparing the tyre

1.1. Mount a retreaded tyre on the test rim specified by the retreader.

1.2.

Inflate the tyre to the appropriate pressure as given (in bar) in the table below:

Diagonal (bias-ply) tyres

Radial tyres

Bias-belted tyres

Speed category

Ply-rating

4

6

8

Standard

Reinforced

Standard

L, M, N

2,3

2,7

3,0

2,4

P, Q, R, S

2,6

3,0

3,3

2,6

T, U, H

2,8

3,2

3,5

2,8

V

3,0

3,4

3,7

3,0

W and Y

—

—

—

3,2

—

3,0

3,2

3,4

3,6

—

2,6

2,8

—

—

1.3. The retreading production unit may request, giving reasons, the use of a test inflation pressure different from those

given in paragraph 1.2 of this Annex. In this case the tyre shall be inflated to the requested pressure.

1.4. Condition the tyre and wheel assembly at test-room temperature for not less than three hours.

1.5. Readjust the tyre pressure to that specified in paragraph 1.2 or 1.3 of this Annex.

2.

Test procedure

2.1. Mount the tyre and wheel assembly on a test axle and press it against the outer face of a smooth surfaced power driven

test drum either 1,70 m ± 1 % or 2,00 m ± 1 % diameter.

2.2. Apply to the test axle a load equal to 80 % of:

2.2.1. the maximum load rating corresponding to the load index for tyres with speed symbols L to H inclusive,

2.2.2. the maximum load rating associated with a maximum speed (see paragraph 2.35.2 of this Regulation) of:

— 240 km/h in the case of tyres of Speed symbol “V”,

— 270 km/h in the case of tyres of Speed symbol “W”,

— 300 km/h in the case of tyres of Speed symbol “Y”.

2.3. Throughout the test the tyre pressure must not be corrected and the test load must be kept constant.

2.4. During the test the temperature in the test-room must be maintained at between 20 and 30 oC unless the tyre

manufacturer or retreader agrees to a higher temperature.

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L 181/51

2.5. The endurance test programme shall be carried out without interruption and shall be as follows:

2.5.1. time taken from zero speed to initial test speed: 10 minutes;

2.5.2. initial test speed: prescribed maximum speed for the tyre concerned, less 40 km/h in the case of a test drum of

1,70 m ± 1 % diameter or less 30 km/h in the case of a test drum of 2,00m ± 1 % diameter;

2.5.3. successive speed increments: 10 km/h up to the maximum test speed;

2.5.4. duration of test at each speed step except the last: 10 minutes;

2.5.5. duration of test at last speed step: 20 minutes;

2.5.6. maximum test speed: prescribed maximum speed for the tyre concerned, less 10 km/h in the case of a test drum of

1,70 m ± 1 % diameter or the prescribed maximum speed in the case of a test drum of 2,00 m ± 1 % diameter.

3.

Equivalent test methods

If a method other than that described in paragraph 2 of this Annex is used, its equivalence must be demonstrated.

L 181/52

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Official Journal of the European Union

4.7.2006

ANNEX 8

EXPLANATORY FIGURE

See paragraph 2 of this Regulation

”