G/TBT/N/UGA/1814  
28 July 2023  
(23-5162) 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:  UGANDA  
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible:   
Uganda National Bureau of Standards  
Plot 2 -12 ByPass Link, Bweyogerere Industrial and Business Park  
P.O. Box 6329  
Kampala, Uganda  
Tel: +(256) 4 1733 3250/1/2  
Fax: +(256) 4 1428 6123  
E-mail: info@unbs.go.ug  
Website: https://www.unbs.go.ug  
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:   
3. Notified under Article 2.9.2 [X], 2.10.1 [  ], 5.6.2 [X], 5.7.1 [  ], 3.2 [  ], 7.2 [  ], 
other :  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable):  Prepared 
additives for cements, mortars or concretes (HS code(s): 382440); Waterproofing (ICS 
code( s): 91.120.30); waterproofing compounds  
5. Title, number of pages and language(s) of the notified document:  DUS 2274, 
Integral waterproofing compounds for cement mortar and concrete — specification, First 
edition; (16 page(s), in English)  
6. Description of content:  This standard covers the requirements for integral 
waterproofing compounds for cement mortar and concrete. For the purpose of all the 
requirements in this standard, cement shall mean Portland cement 32.5 Grade, 42.5 
grade or 52.5 Grade conformi ng to US EAS 18 -1. By agreement between the purchaser 
and the supplier, testing of waterproofing compounds may be done with Portland slag 
cement conforming to US EAS 18 -1 or Portland Pozzolana cement - Fly ash based 
conforming to US EAS 18 -1 or Portland poz zolana cement - Calcined clay based 
conforming to US EAS 18 -1. And masonry cement grade 22.5 conforming to US 366 -1 
and 2  
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Consumer information, labelling; Prevention of deceptive practices and 
consumer protection; Quality requirements; Reducing trade barriers and facilitating trade  G/TBT/N/UGA/1814  
 
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  8. Relevant documents:   
1. US EAS 18 -1, Cement — Part 1: Composition, specification and conformity criteria 
for common cements  
2. US 306, Specification for standard sand for use in the testing of cement  
3. US EAS 148 -3, Cement — Test methods — Part 3: Determination of setting times 
and soundness  
4. US EAS 148 -1, Cement — Test methods — Part 1: Determination of strength  
5. US EAS 184 -2, Cement  — Test methods — Part 2: Chemical analysis  
6. US 366 -1, Masonry cement - Part 1: Specification  
7. US 366 -2, Masonry cement - Part 2: Test methods  
8. IS 2645:2003, Integral waterproofing compounds for cement mortar and concrete 
— specification  
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:   
Uganda National Bureau of Standards  
Plot 2 -12 ByPass Link, Bweyogerere Industrial and Business Park  
P.O. Box 6329  
Kampala, Uganda  
Tel: +(256) 4 1733 3250/1/2  
Fax: +(256) 4 1428 6123  
E-mail: info@unbs.go.ug  
Website: https://www.unbs.go.ug  
https://members.wto.org/crnattachments/2023/TBT/UGA/23_11359_00_e.pdf