G/TBT/N/UGA/1116  
4 October 2019  
(19-6431) Page: 1/3 
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 [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):  Other 
(HS 271019); Lubricating preparations (including cutting -oil preparations, bolt or nut 
release preparations,  anti-rust or anti -corrosion preparations 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 more by weight of petroleum oils 
or of oils obtained from bituminous minerals (HS 3403); - Wastes of metal pickling liquors, 
hydraulic fluids, brake fluids and anti -freeze fluids (HS 382550); Lubricants, industrial oils 
and related products (ICS 75.100)  
5. Title, number of pages and language(s) of the notified document:  
DUS 2159-4:2019, Hydraulic fluid — Performance Classifications — Part 4: Specifications 
for hydraulic fluids in categories HETG, HEPG, HEES and HEPR, First E dition (26 page(s), 
in English)  
6. Description of content:  This Draft Uganda Standard specifies performance 
requirements, sampling and test methods for environmentally acceptable hydraulic fluids 
and is intended for hydraulic systems, particularly hydraul ic fluid power systems. This 
draft Uganda Standard stipulates the requirements for environmentally acceptable 
hydraulic fluids at the time of delivery.  
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Consumer information, labelling; Prevention of deceptive practices and 
consumer protection; Protection of human health or safety; Protection of the 
environment; Quality requirements  
8. Relevant documents:   
1. ISO 6743 -99, Lubricants, industrial oils and rel ated products (class L) — 
Classification — Part 99: General  
2. Lubricants, industrial oils and related products (class L) — Family H (Hydraulic 
systems) — Specifications for hydraulic fluids in categories HETG, HEPG, HEES 
and HEPR  G/TBT/N/UGA/1116  
 
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  3. US ISO 2049, Petroleum products — Determination of colour (ASTM scale)  
4. US ISO 2160, Petroleum products — Corrosiveness to copper — Copper strip 
test 
5. US ISO 2592, Determination of flash and fire points — Cleveland open cup 
method  
6. US ISO 3016, Petroleum products — Determ ination of pour point  
7. US ISO 3104, Petroleum products — Transparent and opaque liquids — 
Determination of kinematic viscosity and calculation of dynamic viscosity  
8. US ISO 3170, Petroleum liquids — Manual sampling  
9. DUS ISO 3448, Industrial liquid lubricants — ISO viscosity classification  
10. US ISO 3675, Crude petroleum and liquid petroleum products — Laboratory 
determination of density — Hydrometer method  
11. DUS ISO 4263 -1, Petroleum and related products — Determination of the 
ageing behaviour of inhibited oils and fluids — TOST test — Part 1: Procedure 
for mineral oils  
12. DUS ISO 4263 -3, Petroleum and related products — Determination of the 
ageing behaviour of inhibited oils and fluids using the TOST test — Part 3: 
Anhydrous procedure for synthetic hydraulic fluids  
13. DUS ISO 4406, Hydraulic fluid power — Fluids — Method for coding the level of 
contamination by solid particles  
14. DUS ISO 6072, Rubber — Compatibility between hydraulic fluids and standard 
elastomeric materials  
15. US ISO 6247, Petroleum products — Determination of foaming characteristics of 
lubricating oils  
16. US ISO 6296, Petroleum products — Determination of water — Potentiometric 
Karl Fischer titration method  
17. DUS ISO 6341, Water quality — Determination of the inhibition of the mobility 
of Daphnia magna Straus (Clado cera, Crustacea) — Acute toxicity test  
18. DUS ISO 7120, Petroleum products and lubricants — Petroleum oils and other 
fluids — Determination of rust - preventing characteristics in the presence of 
water  
19. DUS ISO 7346 -2, Water quality — Determination of the acute  lethal toxicity of 
substances to a freshwater fish [Brachydanio rerio Hamilton -Buchanan 
(Teleostei, Cyprinidae)] — Part 2: Semi -static method  
20. DUS ISO 8192, Water quality — Test for inhibition of oxygen consumption by 
activated sludge for carbonaceous and ammonium oxidation  
21. DUS ISO 9120, Petroleum and related products — Determination of air -release 
properties of steam turbine and other oils — Impinger method  
22. DUS ISO 9439, Water quality — Evaluation of ultimate aerobic biodegradability 
of organic compounds i n aqueous medium — Carbon dioxide evolution test  
23. DUS ISO 10634, Water quality — Guidance for the preparation and treatment of 
poorly water -soluble organic compounds for the subsequent evaluation of their 
biodegradability in an aqueous medium  
24. DUS ISO 11500,  Hydraulic fluid power — Determination of the particulate 
contamination level of a liquid sample by automatic particle counting using the 
light-extinction principle  
25. US ISO 12937, Petroleum products — Determination of water — Coulometric 
Karl Fischer titrat ion method  G/TBT/N/UGA/1116  
 
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  26. DUS ISO 14593, Water quality — Evaluation of ultimate aerobic biodegradability 
of organic compounds in aqueous medium — Method by analysis of inorganic 
carbon in sealed vessels (CO2 headspace test)  
27. DUS ISO 14635 -1, Gears — FZG test procedures — Part 1: FZG test method 
A/8,3/90 for relative scuffing load - carrying capacity of oils  
28. US ISO/IEC 17025, General requirements for the competence of testing and 
calibration laboratories  
29. DUS ISO 20763, Petroleum and related products — Determination of anti -wear 
properties of hydraulic fluids — Vane pump method  
9. Proposed date of adoption:  December 2019  
Proposed date of entry into force:  Upon declaration as mandatory by the Minister for 
Trade, Industry and Cooperatives.  
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:   
https://members.wto.org/crnattachments/2019/TBT/UGA/19_5493_00_e.pdf