DRAFT FOR PUBLIC REVIEW  DRAFT UGANDA STANDARD  
  DUS 1700 -8 
First  Edition  
2017 -mm-dd 
 
 
 Reference number  
DUS 1700 -8:2017  
© UNBS 2017   
 School wear fabrics — Part 8: Warp-Knitted fabrics  
 DRAFT FOR PUBLIC REVIEWDUS 1700-8 : 2017 
ii © UNBS 2017  – All rights reserved  
 Compliance with this standard does not; of itself confer immunity from legal obligations  
A Uganda Standard does not purport to include all necessary provisions of a contract. Users are 
responsible for its correct application  
© UNBS 2017 
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilised in any 
form or by any means, electronic or mechanical, including photocopying and microfilm, without prior written 
permission from UNBS. 
Requests for permission to reproduce this document should be addressed to 
The Executive Director 
Uganda National Bureau of Standards 
P.O. Box 6329 
Kampala 
Uganda 
Tel: +256 417 333 250 /1/2 
Fax: +256 414 286 123 
E-mail: info@unbs.go.ug  
Web: www.unbs.go.ug  DRAFT FOR PUBLIC REVIEWDUS 1700-8: 2017 
© UNBS 2017  – All rights reserved  iii 
 Contents Page 
Foreword ............................................................................................................................................................ iv 
1 Scope  ................................ ................................ ................................................................ ...................... 5 
2 Normative references  ................................................................ ................................ ............................ 5 
3 Requirements  ................................ ................................ ................................................................ ......... 5 
3.1 General  ................................ ................................ ................................................................ ................... 5 
3.2 Knitted structure  ................................................................ ................................ .................................... 6 
3.3 Fabric  ................................ ................................ ................................................................ ...................... 6 
3.4 Defects  ................................ ................................ ................................................................ .................... 6 
4 Packing, labelling, marking and inspection  ................................ ................................ ....................... 7 
Annex A  (Normative)   Note to purchasers ..................................................................................................... 8  
Annex B  (Informative)   Recommended end use ........................................................................................... 9  
 DRAFT FOR PUBLIC REVIEWDUS 1700-8 : 2017 
iv © UNBS 2017  – All rights reserved  
 Foreword 
Uganda National Bureau of Standards (UNBS) is a parastatal under the Ministry of Trade, Industry and 
Cooperatives established under Cap 327, of the Laws of Uganda, as amended. UNBS is mandated to co-
ordinate the elaboration of standards and is  
(a) a member of International Organisation for Standardisation (ISO) and  
(b) a contact point for the WHO/FAO Codex Alimentarius Commission on Food Standards, and  
(c) the National Enquiry Point on TBT Agreement of the World Trade Organisation (WTO). 
The work of preparing Uganda Standards is carried out through Technical Committees. A Technical 
Committee is established to deliberate on standards in a given field or area and consists of key stakeholders 
including government, academia, consumer groups, private sector and other interested parties.  
Draft Uganda Standards adopted by the Technical Committee are widely circulated to stakeholders and the 
general public for comments. The committee reviews the comments before recommending the draft standards 
for approval and declaration as Uganda Standards by the National Standards Council. 
The committee responsible for this document is Technical Committee UNBS/TC 7 , [Textile, Leather , Paper and Related 
products], Subcommittee SC 1 , [Textile and Related products ]. 
DUS 1700 consists of the following parts, under the general title School Clothing:  
Part 1: Basic requirements 
Part 2: Blazer fabrics 
Part 3: Polyester and wool fabrics 
Part 4: Polyester and viscose fabrics 
Part 5: Polyester and cotton fabrics 
Part 6: Shirting and blouse fabrics 
Part 7: Fabrics containing textured yarns 
Part 8: Warp knitted fabrics 
 DRAFT FOR PUBLIC REVIEWDUS  1700-8: 2017  
v  
 School wear fabrics — Part 8: Warp-knitted fabrics  
1 Scope  
This part of DUS 17 00 covers the specific requirements for one type of warp-knitted fabric suitable for use in 
the manufacture of school clothing  
2 Normative references 
The following referenced documents referred to in the text in such a way that some or all of their conten t 
constitutes requirements of this document. For dated references, only the edition cited applies. For undated 
references, the latest edition of the referenced document (including any amendments) applies. 
DUS 1779, Standard Test Method for Wale and Course Count of Weft Knitted Fabrics 
DUS ISO 9073-1 , Textiles — Test methods for nonwovens — Part 1: Determination of mass per unit area 
DUS ISO 9866-2 , Textiles — Effect of dry heat on fabrics under low pressure — Part 2: Determination of 
dimensional change in fabrics exposed to dry heat 
US ISO 105-B02 , Textiles — Tests for colour fastness — Part B02: Colour fastness to artificial light: Xenon 
arc fading lamp test 
US ISO 105-C10 , Textiles — Tests for colour fastness — Part C10: Colour fastness to washing with soap or 
soap and soda 
US ISO 105-E04 , Textiles — Tests for colour fastness — Part E04: Colour fastness to perspiration 
US ISO 105-X12 , Textiles — Tests for colour fastness — Part X12: Colour fastness to rubbing  
US ISO 1833-1 , Textiles — Quantitative chemical analysis — Part 1: General principles of testing 
US ISO 3801 , Textiles — Woven fabrics — Determination of mass per unit length and mass per unit area 
US ISO 5077 , Textiles — Determination of dimensional change in washing and drying 
DUS 1700-1, School wear fabrics — Part 1: General requirements  
3 Requirements 
3.1 General 
The fabric shall 
a) comply with the basic requirements given in DUS 1700- 1; 
b) have been heat-set; and 
c) have a white or a dyed finish (see A.1). DRAFT FOR PUBLIC REVIEWDUS 1700-8 : 2017 
vi © UNBS 2017  – All rights reserved  
 3.2 Knitted structure 
The structure of the fabric shall, in terms of 4.2 of DUS 1700-1 and as determined by visual examination, be a 
warp-knitted piqué that has been made on a machine fitted with three guide bars that lap and are threaded as 
follows:  
Lapping 
1. Back guide bar  : Closed satin lap. 
2. Middle guide bar  : Closed tricot lap. 
3. Front guide bar  : Closed tricot lap in the direction opposite to that of the middle guide bar. 
Threading 
1. Back guide bar  : Fully threaded. 
2. Middle and front guide bar  : Part-set threading that has the following repeat: 
 
● ● ● 
 
NOTE : The technical face-side of the fabric shows a marked rib effect that is intended for use as the face-side of the 
garment. 
3.3 Fabric 
The fabric shall comply with the appropriate requirements given in table 1 
3.4 Defects 
The assessment and stringing of defects, in terms of 4.8 of DUS 1700- 1, shall be based on the following 
LAQ’s:  
a) For pieces:10 
b) For a lot:  8 
Table 1―Fabric requirements 
1 2 3 
Property  Requirement  US number  
(unless otherwise 
indicated)  Typea 
NKU6  
Composition,%  
Continuous filament….polyester   
100 US ISO 1833 -1 
Mass per unit area (free from non -
fibrous material), g/m2,min 260 US ISO 3801 /DUS 
ISO 9073 -1 
Number of wales and courses per 
centimeterb 
Wales,   
 DUS 1779  DRAFT FOR PUBLIC REVIEWDUS 1700-8: 2017 
© UNBS 2017  – All rights reserved  vii 
 min 
max 
Courses,  
Min 
max 8.5 
9.5 
 
14.5 
15.5 
 
Dimensional changes on washing, %, 
max 
Length  
Width   
 
3 
3 
 US ISO 5077  
Dimensional changes and 
skewness on exposure to heat , %, 
max 
Dimen sional changes  
Length  
Width  
skewness   
 
3 
3 
2.5 DUS ISO 9866 -2 
Colour fastness to washing , rating, 
min: 
Change in colour  
Staining of transfer cloths   
4 
3-4 US ISO 105 -C10 
Perspiration , rating, min : 
Change in colour  
Staining of transfer cloths   
4 
3-4 US IS O 105 -E04 
Rubbing , rating, min : 
Dry 
Wet  
4 
3-4 US ISO 105 -X12 
Light , rating, min  5 US ISO 105 -B02 
a Designation by the type number is restricted to fabric that complies with the above requirements.  
b.Determined on the technical face -side of the fabric. 
4 Packing, labelling, marking and inspection 
The relevant clauses of DUS 1700-1 shall apply (see A.1) DRAFT FOR PUBLIC REVIEWDUS 1700-8 : 2017 
viii © UNBS 2017  – All rights reserved  
 Annex A  
(Normative)  
 
Note to purchasers 
A.1 The following requirements shall be specified in tender invitations and in each order or contract: 
a) the finish and, in the case of a plain dyed fabric, the colour (see 3.1 and 4.7 of DUS 1700-1);  
b) the method of packing, if other than as specified (see 6.1 of DUS 1700-1); and  
c) additional marking, if required (see 6.3 of DUS 1700-1).  
A.2 The following requirement shall be agreed upon between the purchaser and the supplier: 
The fabric width (see 4.4 of DUS 1700-1) DRAFT FOR PUBLIC REVIEWDUS 1700-8: 2017 
© UNBS 2017  – All rights reserved  ix 
 Annex B  
(Informative)  
 
Recommended end use 
Fabric of Type NKU6 is recommended for use in the manufacture of boys’ school wear trousers and shorts  DRAFT FOR PUBLIC REVIEWDUS 1700-8 : 2017 
x © UNBS 2017  – All rights reserved  
 Certification marking 
Products that conform to Uganda standards may be marked with Uganda National Bureau of Standards 
(UNBS) Certification Mark shown in the figure below.  
The use of the UNBS Certification Mark is governed by the Standards Act, and the Regulations made 
thereunder. This mark can be used only by those licensed under the certification mark scheme operated by 
the Uganda National Bureau of Standards and in conjunction with the relevant Uganda Standard. The 
presence of this mark on a product or in relation to a product is an assurance that the goods comply with the 
requirements of that standard under a system of supervision, control and testing in accordance with the 
certification mark scheme of the Uganda National Bureau of Standards. UNBS marked products are 
continually checked by UNBS for conformity to that standard.  
Further particulars of the terms and conditions of licensing may be obtained from the Director, Uganda 
National Bureau of Standards.  
 
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