G/TBT/N/UGA/938  
 
15 October 2018  
(18-6390) 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  
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 [  ], 2.10.1 [  ], 5.6.2 [X], 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): Engine 
oils; Lubricating preparations (including cutting -oil preparations, bolt or nut release 
preparations, anti -rust or anti -corrosion prepa rations and mould release preparations, 
based on lubricants) and preparations of a kind used for the oil or grease treatment of 
textile materials, leather, furskins or other materials, but excluding preparations 
containing, as basic constituents, 70% or mo re by weight of petroleum oils or of oils 
obtained from bituminous minerals. (HS 3403). Lubricants, industrial oils and related 
products (ICS 75.100).  
5. Title, number of pages and language(s) of the notified document: DUS 2043:2018 
Standard Test Method f or Measuring Viscosity of New and Used Engine Oils at High Shear 
Rate and High Temperature by Tapered Bearing Simulator Viscometer at 150°C, First 
Edition. (21 page(s), in English)   
6. Description of content: This Draft Uganda Standard covers the test met hod for the 
laboratory determination of the viscosity of engine oils at 150°C and 1.0·106  s−1 using a 
viscometer having a slightly tapered rotor and stator called the Tapered Bearing Simulator 
(TBS) Viscometer.  
7. Objective and rationale, including the nature of urgent problems where 
applicable: Prevention of deceptive practices and consumer protection; Harmonization  
8. Relevant documents:   
1. ASTM D4741 Test Method for Measuring Viscosity at High Temperature and High  
Shear Rate by Tapered -Plug Viscometer  
2. ASTM D5481 Test Method for Measuring Apparent Viscosity at High -Temperature 
and High -Shear Rate by Multicell Capillary Viscometer  
3. ASTM D6300 Practice for Determination of Precision and Bias  
4. ASTM Data for Use in Test M ethods for Petroleum Products and Lubricants  G/TBT/N/UGA/938  
 
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  5. ASTM D6708 Practice for Statistical Assessment and Improvement of Expected 
Agreement Between Two Test Methods that Purport to Measure the Same 
Property of a Material  
6. CEC L -36-90 The Measurement of Lubricant Dyna mic Viscosity under Conditions 
of High Shear  
7. IP 370 Test Method for the Measurement of Lubricant Dynamic Viscosity Under 
Conditions of High Shear Using the Ravenfield Viscometer  
9. Proposed date of adoption:  December 2018  
Proposed date of entry into force:  Not applicable  
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: