G/TBT/N/THA/494  
 
8 February 2017  
(17-0759) 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 : THAILAND   
If applicable, name of local government involved  (Article 3.2 and 7.2) :   
2. Agency responsible:  Thai Industrial Standards Institut e (TISI), Ministry of Industry  
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 :  
WTO/TBT Enquiry Point and Notification Authority  
Thai Industrial Standards Institute (TISI)  
Ministry of Industry  
Tel.: (662) 202 3504, 202 3523  
Fax: (662) 202 3511, 354 3041  
E-mail: thaitbt@tisi.go.th  
Website: http://www.tisi.go.th  
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 addit ion, where applicable):  Tubes, pipes and hoses, 
and fittings therefor (for example, joints, elbows, flanges), of plastics. (HS 3917) . Plastics 
pipes (ICS 23.040.20)  
5. Title, number of pages  and language(s)  of the notified document:  Draft Thai 
Industrial Standard for Unplasticized Polyvinyl Chloride (PVC -U) Pipe for Drinking Water 
Service (TIS 17 - 25xx) (31 pages, in Thai).  
6. Description of content:  The Thai Industrial Standards Institute (TISI) has proposed to 
withdraw TIS 17 - 2532(1989) Unplasticized  polyvinyl chloride pipes for drinking water 
services, and replace it with TIS 17 - 25xx Unplasticized polyvinyl chloride (PVC -U) pipe for 
drinking water services, as a mandatory standard.   This draft standard specifies types and 
grades, materials, sizes a nd tolerances, requirements, marking and labelling, sampling and 
criteria for conformity and testing for unplasticized polyvinyl chloride pipe for drinking 
water services suitable for use only in a location where not exposed to  direct sunlight . 
7. Objecti ve and rationale , including the nature of urgent problems where applicable: 
Safety and consumer protection  
8. Relevant documents:   
 ISO 1452 -1:2009   Plastic piping systems for water supply and for buried and 
above -ground drainage and sewerage under pressur e - Unplasticized poly(vinyl 
chloride) (PVC -U) - Part 1: General  
 ISO 1452 -2:2009   Plastic piping systems for water supply and for buried and 
above -ground drainage and sewerage under pressure - Unplasticized poly(vinyl 
chloride) (PVC -U) - Part 2: Pipes  G/TBT/N/THA/494  
 
- 2 - 
 
    ISO 11922 -1:1997   Thermoplastic pipes for the conveyance of fluids - Dimensions 
and tolerances - Part 1: Metric series  
 IEC 62321 -5:2013   Determination of certain substances in electrotechnical 
products - Part 5: Cadmium, lead and chromium in polymers and ele ctronics and 
cadmium and lead in metals by AAS, AFS, ICP -OES and ICP -MS 
 ISO 7686:2005   Plastic pipes and fittings - Determination of opacity  
 AS/NZS 1477:2006   PVC pipes and fittings for pressure applications  
 JIS K 6741:2007   Unplasticized poly (vinyl chlor ide) (PVC -U) pipes  
 BS 3505:1986   Specification for unplasticized polyvinyl chloride (PVC -U) pressure 
pipes for cold potable water  
 ASTM F 477 -14  Standard Specification for Elastomeric Seals (Gaskets) for Joining 
Plastic Pipe  
 ASTM D 792 -13  Standard Test Me thods for Density and Specific Gravity (Relative 
Density) of Plastics by Displacement  
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 av ailable from : National enquiry point  [X] or address, telephone and fax 
number s and e mail and website address es, if available , of other body:   
WTO/TBT Enquiry Point and Notification Authority  
Thai Industrial Standards Institute  
Tel: (66 2) 202 3504, 202 352 3 
Fax: (66 2) 202 3511, 354 3041  
E-mail: thaitbt@tisi.go.th  
Website: http://www.tisi.go.th  
https://members.wto.org/crnattachments/2017/TBT/THA/17_0712_00_x.pdf