G/TBT/N/UGA/1462  
4 October 2021  
(21-7433) 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 dif ferent 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):  Mineral 
Insulating Oil; Medium oils and preparations, of petroleum or bituminous minerals, not 
containing biodiesel, n.e.s (HS 271019); Insulating oils (ICS 29.040.10)  
5. Title, number of pages and language(s) of the notified document:  DUS 23 30, 
Mineral Insulating Oil Used in Electrical Apparatus - Specification, First Edition (16 
page(s), in English)  
6. Description of content:  This Draft Uganda Standard specification covers unused mineral 
insulating oil of petroleum origin for use as an insu lating and cooling medium in new and 
existing power and distribution electrical apparatus, such as transformers, regulators, 
reactors, circuit breakers, switchgear, and attendant equipment  
7. Objective and rationale, including the nature of urgent problem s where 
applicable:  Consumer information, labelling; Prevention of deceptive practices and 
consumer protection; Quality requirements  
8. Relevant documents:   
1. US 2040 Test Method for Flash and Fire Points by Cleveland Open Cup Tester  
2. US 1730 Test Method for Pour Point of Petroleum Products  
3. US ISO 3104, Petroleum products - Transparent and opaque liquids - 
Determination of kinematic viscosity and calculation of dynamic viscosity  G/TBT/N/UGA/1462  
 
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  4. DUS 2348 Test Methods for Aniline Point and Mixed Aniline Point of Petr oleum 
Products and Hydrocarbon Solvents  
5. DUS 2349 Practices for Sampling Electrical Insulating Liquids  
6. DUS 2350 Test Method for Dissipation Factor (or Power Factor) and Relative 
Permittivity (Dielectric Constant) of Electrical Insulating Liquids  
7. DUS 2351 Te st Method for Interfacial Tension of Oil Against Water by the Ring 
Method  
8. DUS 2352 Test Method for Acid and Base Number by Color -Indicator Titration  
9. DUS 2353 Test Method for Corrosive Sulfur in Electrical Insulating Liquids  
10. US 1726 Test Method for Density, Relative Density, or API Gravity of Crude 
Petroleum and Liquid Petroleum Products by Hydrometer Method  
11. US ISO 2049, Petroleum products - Determination of colour (ASTM scale)  
12. DUS 2354 Test Method for Visual Examination of Used Electrical Insulating  
Liquids in the Field  
13. DUS 2355 Test Method for Water in Insulating Liquids by Coulometric Karl 
Fischer Titration  
14. DUS 2356 Test Method for Dielectric Breakdown Voltage of Insulating Liquids 
Using VDE Electrodes  
15. DUS 2358 Test Method for Oxidation Stability o f Inhibited Mineral Insulating Oil 
by Pressure Vessel  
9. Proposed date of adoption:  December 2021  
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:   
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