G/TBT/N/BDI/123  
G/TBT/N/KEN/1097  
G/TBT/N/RWA/458  
G/TBT/N/TZA/610  
G/TBT/N/UGA/1348  
8 June 2021  
(21-4674) 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:  BURUNDI, KENYA, RWANDA, TANZANIA, UGANDA   
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 differe nt from above:   
Rwanda Standards 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:  Water based 
undercoat — Specification (14 page(s), in English)  
6. Description of content:  This Draft East African Standard specifies requirements, 
samp ling and test methods for water based undercoat used on buildings after surface 
preparation and priming wherever necessary.  
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Consumer information, labelling; Prevention o f deceptive practices and 
consumer protection; Protection of human health or safety; Protection of the 
environment; Quality requirements; Harmonization  
8. Relevant documents:   
• ISO 1524, Paints, varnishes and printing ink — Determination of fineness of 
grind 
• ISO 2812 -1, Paints and varnishes — Determination of resistance to liquids — 
Part 1: Immersion in liquids other than water  
• ISO 2884 -2, Paints and varnishes — Determination of viscosity using rotary 
viscometers — Part 2: Disc or ball viscom eter operated at a specified speed  G/TBT/N/BDI/123, G/TBT/N/KEN/1097, G/TBT/N/RWA/458, G/TBT/N/TZA/610, 
G/TBT/N/UGA/1348  
 
- 2 - 
 
  • ISO 3251, Paints varnishes and plastics — Determination of non - volatile matter 
content  
• 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  
• ISO 4618, Paints and varnishes — Terms and definitions  
• ISO 6503 Paints and varnishes -- Determination of total lead — Flame atomic 
absorption spectrometric method  
• ISO 6504 -3, Paints  and varnishes — Determination of hiding power — Part 3: 
Determination of contrast ratio of light coloured paints at a fixed spreading rate 
ISO 9117 -1, Paints and varnishes — Drying tests — Part 1: Determination of 
through -dry state and through -dry time  
• ISO 9117 -3, Paints and varnishes — Drying tests — Part 3: Surface -drying test 
using ballotini  
• ISO 11890 -1, Paints and varnishes — Determination of volatile organic 
compound (VOC) content — Part 1: Difference method  
• ISO 15528, Paints, varnishes and raw materials for paints and varnishes — 
Sampling  
• ISO 19396 -1, Paints and varnishes — Determination of pH value — Part 1: pH 
electrodes with glass membrane  
• ISO 21546, Paints and varnishes — Determination of the resistance to rubbing 
using a linear abrasion tes ter (crockmeter)  
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_3970_00_e.pdf