G/TBT/N/CHL/541  
24 November  2020 
(20-8478) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  Spanish  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6.  
 
1. Notifying Member : CHILE 
If applicable, name of local government involved (Articles 3.2 and 7.2):  
2. Agency responsible : Dirección General de Obras Públicas  (Directorate -General of 
Public Works)  
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:  
Subsecretaría de Relaciones Económicas Internacionales - Ministerio de Relaciones 
Exteriores de Chile (Under -Secretariat for International Economic Relations, Ministry of 
Foreign Affairs of Chile)  
3. Notified under Article 2.9.2 [X], 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) : Steel-
reinforced polyethylene  (PE) pipes for pressurized fluids  
5. Title, number of pages and language(s) of the notified document : NCh 3429:2020 
"Sistemas de Tuberías de PE reforzado con acero para fluidos a presión - Tuberías"  
(Chilean Standard (NCh) No. 3429:2020 "Steel -reinforced PE pi pe systems for 
pressurized fluids - Pipes") (21 pages, in Spanish)  
6. Description of content : The notified Standard establishes the requirements and test 
methods for PE pipes reinforced with electro -welded steel mesh for the conveyance of 
pressurized fluids.  
The Standard applies to the polyethylene matrix and the electro -welded steel wire mesh 
for reinforcement.  
It applies to pipes for the conveyance of pressurized hot and cold water at temperatures 
from 0°C to 80°C, as well as to pipes for  transporting pressurized fluids for industrial use, 
such as oil and mining, at temperatures not exceeding 70°C.  
7. Objective and rationale, including the nature of urgent problems where 
applicable : Quality requirements  
8. Relevant documents:  
• NCh409/1:2005, Agua potable - Parte 1 : Requisitos ; 
• ISO 1183 -1:2012, Plastics - Methods for determining the density of non -cellular 
plastics - Part 1 : Immersion method, liquid pyknometer method and titration 
method;  
• ISO 291 :2008, Plastics - Standard atmosph eres for conditioning and testing;  G/TBT/N/CHL/541  
- 2 - 
  • ISO 877 , Plastics - Methods of exposure to solar radiation;  
• ISO 1167 -1:2006, Thermoplastics pipes, fittings and assemblies for the 
conveyance of fluids - Determination of the resistance to internal pressure - Part 
1: General method;  
• ISO 760 :1978, Determination of water - Karl Fischer method (General method);  
• ISO 3126 :2005, Plastics piping systems - Plastics components - Determination of 
dimensions;  
• ISO 6964 :1986, Polyolefin pipes and fittings - Determination o f carbon black 
content by calcination and pyrolysis - Test method and basic specification;  
• ISO 4437 -1:2014, Plastics piping systems for the supply of gaseous fuels - 
Polyethylene (PE) - Part 1 : General;  
• ISO 11357 -6:2008, Plastics - Differential scanning ca lorimetry (DSC) - Part 6 : 
Determination of oxidation induction time (isothermal OIT) and oxidation 
induction temperature (dynamic OIT);  
• ISO 2505 , Thermoplastics pipes - Longitudinal reversion - Test method and 
parameters.  
9. Proposed date of adoption : - 
Proposed date of entry into force : - 
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:  
Subsecretaría de Relaciones Económicas Internacionales  
Ministerio de Relaciones Exteriores de Chile  
Teatinos 180, piso 11  
Tel.: (+56)-2 -22827 5250  
Email: tbt_chile@subrei.gob.cl  
To view the above -mentioned standards, go to https://www.inncoleccion.cl/  and enter 
the following details:  
Empresa  (Company) : SUBREI -003 
Usuario (Username) : subrei 
Contraseña  (Password) : subrei