WTO notification · TBT
ChileProposed measure, may since have been adopted
NCh3151/1:2025 Piping systems for hot and cold water installations — Polypropylene (PP) — Part 1: Pipe
NCh3151/1:2025 Sistemas de tuberías para instalaciones de agua fría y caliente — Polipropileno (PP) — Parte 1: Tubería
Chile notified this proposed TBT measure to the WTO on 6 November 2025. The comment period closed on 5 January 2026.
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Source: WTO ePing (opens in a new tab). Summaries by Expodite, which is independent of the WTO.
Published here:
Pipes for hot and cold water installations
Tuberías para instalaciones de agua fría y caliente
The comment period closed on 5 January 2026. You can still raise concerns about the measure with your country's WTO TBT enquiry point, quoting the document symbol G/TBT/N/CHL/758; it can take them up with Chile.
Find your country's enquiry point on WTO ePing (opens in a new tab)This Standard (Norma) establishes the requirements and test methods for polypropylene pipes, for hot and cold water installations and for heating installations, at the design pressures and temperatures according to the application class. This Standard also applies to the conduction of water intended or not for human consumption, under the design conditions and temperature specified in the body of this Standard. This Standard applies to pipes manufactured of polypropylene in its forms of homopolymer (PP-H), impact copolymer (PP-B), random copolymer (PP-R) and crystalline random copolymer (PP-RCT). This Standard also applies to PP pipes with a fiberglass intermediate layer.
Esta norma establece los requisitos y métodos de ensayo para las tuberías de polipropileno, para instalaciones de agua fría y caliente y para instalaciones de calefacción, a las presiones y temperaturas de diseño de acuerdo con la clase de aplicación. Esta norma también se aplica para la conducción de agua destinada o no al consumo humano, bajo condiciones de diseño, y temperatura especificados en el cuerpo de esta norma. Esta norma se aplica a las tuberías fabricadas de polipropileno en sus formas de homopolímero (PP-H), de copolímero de impacto (PP-B), de copolímero random (PP-R) y de copolímero random cristalino (PP-RCT). Esta norma también se aplica a tuberías de PP con una capa intermedia de fibra de vidrio.
Expodite writes its summary from the official record. The notification and the documents it notifies are on the WTO's own websites.
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Chile notified this proposed SPS measure to the WTO on 6 November 2026. Comments are open until 5 January 2027.
Symbol: G/SPS/N/CHL/899Comments until 5 January 2027
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Chile issued an addendum on 30 October 2026 to the earlier SPS notification G/SPS/N/CHL/897. Addenda often report that a measure was adopted, changed, postponed or withdrawn. The measure was first notified on 28 August…
Symbol: G/SPS/N/CHL/897/Add.1
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The notified text establishes the requirements for the National Single Register that manufacturers, formulators, producers, marketers or distributors, packers, importers and exporters of fertilizers and biostimulants must join. It also establishes a classification for fertilizers and biostimulants…
Symbol: G/TBT/N/CHL/586/Add.2Comment period closed
WTO notificationTBTProposed measure, open for commentsNew
Chile notified this proposed TBT measure to the WTO on 21 October 2026. Comments are open until 20 December 2026.
Symbol: G/TBT/N/CHL/807Comments until 20 December 2026
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