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GB 45671-2025 English PDF

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GB 45671-2025: Safety technical specifications for construction waterproof coatings
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Standard similar to GB 45671-2025

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Basic data

Standard ID GB 45671-2025 (GB45671-2025)
Description (Translated English) Safety technical specifications for construction waterproof coatings
Sector / Industry National Standard
Classification of Chinese Standard Q17
Classification of International Standard 91.120.30
Word Count Estimation 18,112
Date of Issue 2025-04-25
Date of Implementation 2025-11-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB 45671-2025: Safety technical specifications for construction waterproof coatings

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
National Standard of the People's Republic of China ICS 91.120.30CCS Q 17 Safety technical specification for building waterproof coatings 2025-04-25 Release 2025-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the Ministry of Industry and Information Technology of the People's Republic of China. Safety technical specification for building waterproof coatings

1 Scope

This document specifies the safety technical requirements for building waterproof coatings and describes the test methods. This document is applicable to flexible waterproof coatings, cement-based waterproof materials and other liquid, two-component liquid powder, dry powder for construction projects. Type waterproof material.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 267 Determination of flash point and fire point of petroleum products (open cup method) GB/T 6682 Specifications and test methods for water used in analytical laboratories GB 8624 Classification of combustion performance of building materials and products GB/T 8626 Test methods for flammability of building materials GB/T 16777-2008 Test methods for building waterproof coatings GB/T 18244-2022 Test method for aging of building waterproof materials GB 18583 Limits of harmful substances in adhesives for interior decoration and renovation materials GB/T 35468-2017 Root penetration resistant waterproof membrane for green roofs GB/T 41078-2021 Test methods for harmful substances in building waterproof materials GB/T 50082 Test method for long-term performance and durability of concrete DL/T 5126-2021 Test procedure for polymer modified cement mortar JGJ/T 70 Standard for test methods of basic properties of building mortar JG/T 245 Concrete test vibration table

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Flexible waterproof coating It is in liquid or paste state before construction, and can be solidified through cooling, volatilization and reaction after construction to form a coating with a certain thickness and flexibility. Waterproof material. Note. Including water-based waterproof coatings, reactive polymer waterproof coatings, solvent-based waterproof coatings, and hot-melt waterproof coatings. See Appendix A for related product categories. 3.2 Waterborne waterproof coating A flexible waterproof coating that uses water as a dispersion medium and solidifies into a film by expelling water through volatilization or reaction. Note. Includes polymer emulsion waterproof coatings and water-based polymer asphalt waterproof coatings.

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