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WTO notification · TBT

ChinaUpdated: check whether it is now adopted or in force

National Standard of the P.R.C., Safety and general

Official title

National Standard of the P.R.C., Safety and general technical specifications for construction waterproof sheets

China issued an addendum on 23 April 2026 to the earlier TBT notification G/TBT/N/CHN/1668. Addenda often report that a measure was adopted, changed, postponed or withdrawn. The measure was first notified on 14 April 2022. The comment period closed on 13 June 2022.

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Source: WTO ePing (opens in a new tab). Summaries by Expodite, which is independent of the WTO.

Published here:

Updated here:

At a glance

Products

PVC waterproof sheets, TPO waterproof sheets, SBS modified asphalt waterproof sheets, APP modified asphalt waterproof sheets, Self-adhesive waterproof sheets, EPDM waterproof sheets

HS codes
  • 39 · Plastics and articles thereof
    • 391810 Floor coverings, whether or not self-adhesive, in rolls or in the form of tiles, and wall or ceiling coverings 'in rolls with a width of >= 45 cm, consisting…
    • 392190 Plates, sheets, film, foil and strip, of plastics, reinforced, laminated, supported or similarly combined with other materials, unworked or merely…
  • 40 · Rubber and articles thereof
    • 400821 Plates, sheets and strip, of non-cellular rubber
  • 68 · Stone, plaster, cement, asbestos, mica or similar materials; articles thereof
    • 680710 Articles of asphalt or of similar materials, e.g. petroleum bitumen or coal tar pitch, in rolls
Notifying member
China
Status
Updated: check whether it is now adopted or in force
Objectives
  • Prevention of deceptive practices and consumer protection
  • Protection of human health or safety
  • Quality requirements
Area
TBT: Technical product rulesTechnical barriers to trade
Notification type
Regular notification
Document symbol
G/TBT/N/CHN/1668Latest notice: G/TBT/N/CHN/1668/Add.1

Key dates

Distributed by the WTO
Comment deadline
Closed on 13 June 2022
Proposed adoption
To be determined
Proposed entry into force
24 months after approval

How to comment

The comment period closed on 13 June 2022. You can still raise concerns about the measure with your country's WTO TBT enquiry point, quoting the document symbol G/TBT/N/CHN/1668/Add.1; it can take them up with China.

Find your country's enquiry point on WTO ePing (opens in a new tab)

What the notification says

Latest notice (⁨G/TBT/N/CHN/1668/Add.1⁩, 23 April 2026)

Amendment No.1 of GB 45320-2025 Safety and general technical specifications for construction waterproof sheets

The test method for burning behaviour has been modified.

This document specifies the safety and general technical requirements of construction waterproof sheets and describes the corresponding test methods. This document applies to factory formed waterproof sheets for construction projects.

Notices on this measure

Every notice about this measure published here, newest first. Each one is the notifying member's own text.

  1. AddendumG/TBT/N/CHN/1668/Add.1

    Amendment No.1 of GB 45320-2025 Safety and general technical specifications for construction waterproof sheets

    The test method for burning behaviour has been modified.

    Open on WTO ePing (opens in a new tab)Official WTO document (opens in a new tab)Notified document (opens in a new tab)

  2. Regular notificationG/TBT/N/CHN/1668

    Comment deadline: Closed on 13 June 2022

    National Standard of the P.R.C., Safety and general technical specifications for construction waterproof sheets

    This document specifies the safety and general technical requirements of construction waterproof sheets and describes the corresponding test methods. This document applies to factory formed waterproof sheets for construction projects.

    Open on WTO ePing (opens in a new tab)Official WTO document (opens in a new tab)Notified document (opens in a new tab)

Sources

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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