WTO notification · TBT
ChileProposed measure, may since have been adopted
NCh 3911/4:2025 Rehabilitation systems using plastic materials for underground water conveyance networks — Part 4: Continuous lining with in-situ cured pipe
NCh 3911/4:2025 Sistemas de rehabilitación mediante materiales plásticos para redes subterráneas de conducción de agua — Parte 4: Revestimiento en continuo con tubo curado en obra
Chile notified this proposed TBT measure to the WTO on 2 February 2026. The comment period closed on 3 April 2026.
Expodite puts notifications like this one in your Updates centre, matched to the HS codes of your products and the markets you export to. Opens the requirements check for Chile in your Expodite account.
Source: WTO ePing (opens in a new tab). Summaries by Expodite, which is independent of the WTO.
Published here:
Plastic materials for underground water conveyance networks
Materiales plásticos para redes subterráneas de conducción de agua
The comment period closed on 3 April 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/785; it can take them up with Chile.
Find your country's enquiry point on WTO ePing (opens in a new tab)This notified Standard, in conjunction with NCh No. 3911/1, specifies requirements and test methods for cured-in-place pipes (CIPP) and fittings used for the renovation of water supply networks, which transport water intended for human consumption, including raw water intake pipelines.It applies to independent (fully structural, class A) and interactive (semi structural, class B) pressure pipe liners, as defined in ISO 11295, which do not rely on adhesion to the existing pipeline. It applies to the use of various thermosetting resin systems, in combination with compatible fibrous carrier materials, reinforcement, and other process-related plastics components (see 5.1).It does not include requirements or test methods for resistance to cyclic loading or the pressure rating of CIPP liners where passing through bends, which are outside the scope of this Standard.It is applicable to cured-in-place pipe lining systems intended to be used at a service temperature of up to 25°C.G/TBT/N/CHL/785- 2 - NOTE: For applications operating at service temperatures greater than 25°C, guidance on re-rating factors can be supplied by the system supplier.
Expodite writes its summary from the official record. The notification and the documents it notifies are on the WTO's own websites.
WTO notificationSPSProposed measure, open for commentsNew
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
WTO notificationSPSIn force, according to its latest noticeNew
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
WTO notificationTBTAdopted, according to its latest noticeNew
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
Expodite matches each notification to the markets you export to and the HS codes of your products, and puts the ones that concern you in your Updates centre, with the date comments close.