G/TBT/N/RWA/478  
29 July 2021  
(21-5900) 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 479: 2021, 
Two-pack Polyurethane full gloss enamel paint — Specification (23 page(s), in English)  
6. Description of content:  This Draft Rwanda Standard prescribes requirements, sampling 
and test methods for a two -pack polyurethane full gloss enamel paint intended to be uses 
for the protection of exterior of railway coaches, diesel and electric locomotive against 
atmospheric corrosion.  
7. Objective and rationale, including the nature of urgent problems where 
applica ble: Consumer information, labelling; Prevention of deceptive practices and 
consumer protection; Quality requirements; Reducing trade barriers and facilitating trade  
8. Relevant documents:   
ISO 9514, Paints and varnishes — Determination of the pot life of multicomponent 
coating systems — Preparation and conditioning of samples and guidelines for testing  
ISO 28199 -1, Paints and varnishes — Evaluation of properties of coating systems 
related to the spray application process — Part 1: Vocabulary and pr eparation of test 
panels  
ISO 9117 -1, Paints and varnishes — Drying tests — Part 1: Determination f through -dry 
state and through -dry time  
ISO 9117 -3, Paints and varnishes — Drying tests — Part 3: Surface -drying test using 
ballotini  
ISO 2808, Paints and var nishes — Determination of film thickness  G/TBT/N/RWA/478  
 
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  ISO 3251, Paints, varnishes and plastics — Determination of non -volatile matter content  
ASTM F735 -17, Standard test method for abrasion resistance of transparent plastics and 
coatings using the oscillating sand meth od 
ISO 17132, Paints and varnishes — T-bend test  
ISO 1523, Determination of flash point — Closed cup equilibrium method  
ISO 1524, Paints, varnishes and printing inks — Determination of fineness of grind  
ISO 2813, Paints and varnishes — Determination of glo ss value at 20°, 60° and 85°  
ISO 6503, Paints and varnishes — Determination of total lead — Flame atomic 
absorption spectrometric method  
ISO 3856 -6, Paints and varnishes — Determination of "soluble" metal content — Part 6: 
Determination of total chromium c ontent of the liquid portion of the paint — Flame 
atomic absorption spectrometric method.  
RS OIML R 87, Quantity of product in pre -packages  
ISO 15528, Paints, varnishes and raw materials for paints and varnishes — 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_4891_00_e.pdf