G/TBT/N/RWA/476  
29 July 2021  
(21-5885) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  English  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6  
 
1. Notifying Member:  RWANDA   
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible:  Rwanda Standards Board (RSB)  
Name and address (including telephone and fax numbers , email and website 
addresses, if available) of agency or authority designated to handle comments 
regarding the notification shall be indicated if different from above:   
Rwanda Stan dards Board  
KK 15 Rd, 49  
P.O.BOX 7099, Kigali, Rwanda  
Tel: +250 788303492  
Email: info@rsb.gov.rw   
Website: www.rsb.gov.rw  
3. Notified under Article 2.9.2 [X], 2.10.1 [   ], 5.6.2 [   ], 5.7.1 [   ], other :  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable):  Paints and 
varnishes (ICS 87.040)  
5. Title, number of pages and language(s) of the notified document:  DRS 464 -2: 
2021, Putty powders — Specification — Part 2: Exterior walls (15 page(s), in English)  
6. Description of content:  This Draft Rwanda Standard specifies requirements, sampling 
and test methods for putty powder s for exterior walls.  
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Consumer information, labelling; Prevention of deceptive practices and 
consumer protection; Protection of the environment; Quality requirements; Re ducing 
trade barriers and facilitating trade  
8. Relevant documents:   
ISO 8130 -14, Coating powders — Vocabulary  
ISO 8130 -1, Coating powders — Part 1: Determination of particle size distribution by 
sieving  
ISO 20566, Paints and varnishes — Determination of the scratch resistance of a coating 
system using a laboratory car -wash 
ISO 9117 -3, Paints and varnishes — Drying tests — Part 3: Surface -drying test using 
ballotini  
ASTM G139 – 05, Standard test method for determining stress -corrosion crac king 
resistance of heat -treatable aluminium alloys products using breaking load method  
ISO 11503, Paints and varnishes — Determination of resistance to humidity 
(Intermittent condensation)  
ISO 11998, Paints and varnishes — Determination of wet -scrub resist ance and G/TBT/N/RWA/476  
 
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  cleanability of coatings  
ISO/TR 19402, Paints and varnishes — Adhesion of coatings  
ISO 17132, Paints and varnishes — T-bend test  
ISO 8130 -8, Coating powders — Part 8: Assessment of the storage stability of 
thermosetting powders  
ISO 11890 -2, Paints  and varnishes — Determination of volatile organic compounds 
(VOC) and/or semi -volatile organic compounds (SVOC) content — Part 2: Gas -
chromatographic method  
ISO 15234, Paints and varnishes — Testing of formaldehyde -emitting coatings and 
melamine foams — Determination of the steady -state concentration of formaldehyde in 
a small test chamber  
ISO 6503, Paints and varnishes — Determination of total lead — Flame atomic 
absorption spectrometric method  
ISO 3856 -4, Paints and varnishes — Determination of "soluble"  metal content — Part 4: 
Determination of cadmium content — Flame atomic absorption spectrometric method 
and polarographic method  
ISO 3856 -6, Paints and varnishes — Determination of "soluble" metal content — Part 6: 
Determination of total chromium content of the liquid portion of the paint — Flame 
atomic absorption spectrometric method  
RS OIML R 87, Quantity of product in pre -packages  
ISO 8130 -9, Coating powders — Sampling  
9. Proposed date of adoption:  To be determined  
Proposed date of entry into force:  to be determined  
10. Final date for comments:  60 days from notification  
11. Texts available from:  National enquiry point [X] or address, telephone and fax 
numbers and email and website addresses, if available , of other body:   
KK 15 Rd, 49  
Toll Free: 3250 
Tel: +250 788303492  
Email: info@rsb.gov.rw  
Website: www.rsb.gov.rw  
P.O.BOX 7099, Kigali, Rwanda  
https://members.wto.org/crnattachments/2021/TBT/RWA/21_4875_00_e.pdf