G/TBT/N/RWA/337  
17 April 2020  
(20-3055) 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):  Rwanda 
Standards Board (RSB)  
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 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):  Cement. 
Gypsum. Lime. Mortar (ICS 91.100.10)  
5. Title, number of pages and language(s) of the notified document:  DRS 426 -1: 2020 
Masonry Cement — Part 1: Composition, specifications and Conformity criteria 
(25 page(s), in English)  
6. Description of content:  This Draft Standard specifies the definition and c omposition of 
masonry cements as commonly used for the production of mortar for bricklaying and 
block-laying and for rendering and plastering. It includes physical, mechanical and 
chemical requirements and defines strength classes. It also states the confo rmity criteria 
and the related rules. Necessary durability requirements are also given.  
Note: For normal applications the information given in this draft standard, in RS 108 and in 
RS 211 is generally sufficient. However, in special cases, an exchange of a dditional 
information between the masonry cement producer and user can be helpful. The details of 
such an exchange are not within the scope of this draft standard but should be dealt with 
in accordance with national standards or other regulations or can be  agreed between the 
parties concerned.  
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Prevention of deceptive practices and consumer protection; Protection of 
human health or safety; Quality requirements  G/TBT/N/RWA/337  
 
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  8. Relevant documents:   
• RS EAS 148 -1, Cement — Test methods — Part 1: Determination of strength    
• RS EAS  148-2, Cement — Test methods — Part 2: Chemical analysis of cement  
• RS EAS 148 -3, Cement — Test methods — Part 3: Determination of setting time and 
soundness  
• RS EAS 148 -6, Cement — Test methods — Part 6: Determination of fineness    
• RS EAS 148 -7, Cement — Test methods — Part 7: Methods of taking and preparing 
samples of cement  
• RS EAS 148 -2, Cement — Test methods — Part 2: Chemical analysis of cement  
• RS EAS 18 -1: Cement — Part 1: Composition, specification and conformity criteria 
for common cements  
• RS EA S 18-2, Cement — Part 2: Conformity evaluation  
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://www.rsb.gov.rw/fileadmin/user_upload/files/pdf/new_stds/Pub lic_review_040420/
DRS_426 -1_2020_ -_Masonry_Cement__ -
_Composition_Specifications_and_conformity_criteria.pdf  
https://members.wto.org/crnattachments/2020/TBT/RWA/20_2737_00_ e.pdf