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GB/T 23440-2025: Inorganic waterproof and leakage-preventing materials
Status: Valid GB/T 23440: Evolution and historical versions
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| GB/T 23440-2025 | English | 279 |
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Inorganic waterproof and leakage-preventing materials
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GB/T 23440-2025
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| GB 23440-2009 | English | 130 |
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Inorganic waterproof and leakage-preventing materials
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GB 23440-2009
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Standard similar to GB/T 23440-2025 GB/T 51033 GB/T 50082 Basic data | Standard ID | GB/T 23440-2025 (GB/T23440-2025) | | Description (Translated English) | Inorganic waterproof and leakage-preventing materials | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q17 | | Classification of International Standard | 91.120.30 | | Word Count Estimation | 14,133 | | Date of Issue | 2025-08-01 | | Date of Implementation | 2026-02-01 | | Older Standard (superseded by this standard) | GB 23440-2009 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB/T 23440-2025: Inorganic waterproof and leakage-preventing materials---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT23440-2025
ICS 91.120.30
CCSQ17
National Standard of the People's Republic of China
Replaces GB 23440-2009
Inorganic waterproof plugging materials
Released on August 1, 2025
Implementation on February 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Preface
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.
This document replaces GB 23440-2009 "Inorganic waterproof and leak-proof materials". Compared with GB 23440-2009, except for structural adjustments and editorial
In addition to the modifications, the main technical changes are as follows.
a) The scope of application has been changed (see Chapter 1, Chapter 1 of the.2009 edition);
b) Added technical requirements for chloride ion content of products and corresponding test methods (see Table 1, 6.4);
c) Deleted the initial setting time requirements and corresponding test methods for Type II products (Table 1 and 6.3 of the.2009 edition).
d) The technical requirements for compressive strength and flexural strength and the corresponding test methods have been changed (see Table 1, 6.6, and Table 1, 6.4 of the.2009 edition);
e) The test conditions have been changed (see 6.1, 6.1 of the.2009 edition);
f) The preparation method of the anti-permeability benchmark mortar specimens has been changed (see 6.7.1.1, 6.5.1.1 of the.2009 edition);
g) The test method for bond strength has been changed (see 6.8, 6.6 of the.2009 edition);
h) The freeze-thaw cycle test conditions have been changed (see 6.10.1, 6.8.1 of the.2009 edition).
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 by China Building Materials Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Cement Products (SAC/TC197).
This document was drafted by. China National Building Materials Suzhou Waterproof Research Institute Co., Ltd., Building Materials Industry Technical Supervision Research Center, Shangrao Tianjia
New Materials Co., Ltd., Jiangsu Kailun Building Materials Co., Ltd., China Construction Fifth Engineering Bureau Group Co., Ltd., Suzhou Concrete Cement
Products Research Institute Testing Center Co., Ltd., China National Testing Holding Group Beijing Co., Ltd., Beijing Pengneichuan International Building Materials Co., Ltd., China Railway
18th Bureau Group Co., Ltd., Guangdong Jianke Innovation Technology Research Institute Co., Ltd., Beijing China Construction Reite New Materials Co., Ltd., Shanghai Yu
Hong (Jinhu) Waterproof Technology Co., Ltd., Nanjing Kangtai Building Grouting Technology Co., Ltd., Shandong Zhuoyue Jinggong Technology Co., Ltd., China Railway Fourth Engineering Bureau
Group Engineering Construction Co., Ltd., Keshun Waterproof Technology Co., Ltd., Zhejiang Shuilike Building Technology Co., Ltd., Beijing Oriental Rain
Hong Waterproof Technology Co., Ltd., China Water Resources and Hydropower Third Engineering Bureau Co., Ltd., Beixin Waterproof Co., Ltd., Shanghai Weixing New Materials Science and Technology Co., Ltd.
Technology Co., Ltd., Sino-German Xinya Building Materials Co., Ltd., Fujian Huixing Paint Technology Development Co., Ltd., and Zhongyou Jiahui (Guangdong) Waterproof Co., Ltd.
Co., Ltd., Shanghai Niuyuan Industry and Trade Co., Ltd., Pearl River Water Conservancy Commission Pearl River Water Conservancy Science Research Institute, Guangzhou Jitai Chemical Co., Ltd.,
China Hydropower Engineering Bureau Co., Ltd., China Railway Construction Urban Construction and Transportation Development Co., Ltd., Zhejiang Second Construction Group Co., Ltd., Hebei Water Conservancy
Engineering Bureau Group Co., Ltd., Jiangsu Shuanglou Construction Group Co., Ltd., Nantong Construction Group Co., Ltd., China Construction Third Engineering Bureau Group South China Branch
Co., Ltd., Hebei Tianxin Construction Group Co., Ltd., China Construction Eighth Bureau Third Construction Co., Ltd., China Railway Fourteenth Bureau Group Large Shield Engineering Co., Ltd.
Company, Yicheng Anda Special Engineering Materials Co., Ltd., CCCC First Harbor Engineering Bureau Co., Ltd., China Construction Strait Construction Development Co., Ltd., CCCC
Second Navigation Engineering Bureau Co., Ltd., China Railway 21st Bureau Group Second Engineering Co., Ltd., China Water Resources and Hydropower 11th Engineering Bureau Co., Ltd.
Company, China Construction Eighth Bureau Rail Transit Construction Co., Ltd., Shandong Gudun Waterproof Technology Co., Ltd., Xingtai Jianyi New Materials Technology Co., Ltd., Nantong
Ruirui Waterproof New Technology Development Co., Ltd., Anhui Jianxiu Waterproof Technology Co., Ltd., and Shanghai Yejia Building Materials Co., Ltd.
1) Li Wei, China National Building Materials Suzhou Waterproof Research Institute Co., Ltd.
2) Li Wei, Sino-German Xinya Building Materials Co., Ltd.
The main drafters of this document are. Shen Chunlin, Yang Bin, Wang Yufeng, Chen Bin, Kang Jiefen, Chu Jianjun, Xu Wenhai, Huang Liang, Chen Yang, Qu Gaojian, Liu Nailin,
Meng Yanan, Li Wei1), Du Ze, Xiang Binfeng, Zhang Erqin, Wang Lichuan, Zhang Kai, Hu Xiaozheng, Shi Jiulong, Chen Sensen, Wang Rongbo, Wang Xianjun, Yu Yuefeng,
Zhao Jiancheng, Chen Zhan, Ying Linghui, Li Wei2), Yang Deliang, Kang Huiyang, Ma Jun, Wang Shusheng, Wang Weiguang, Peng Liang, Xie Wu, Sun Yinhao, Chen Haiyan,
Wang Lixin, Guo Ning, Wang Jinfeng, Yan Da, Cheng Xianfang, Chen Gang, Chen Peng, Zhou Qi, Cao Zhonglu, Wang Yao, Yang Zhao, Chen Bingzhang, Ding Qingjie, Tang Lixian,
Liu Guoning, Liu Hua, Wang Jifei, Fang Chengchen, Wang Jiajun, Zhang Gesong, Wang Yuchen, Zhang Rui, Li Qingbin, He Xinhui, Liu Hongyi, Jiang Zhian, Chen Kerong,
Qiang Defeng, Mei Jiangtao, Chen Jianfu, Wu Zhihong, Ma Suixue, Tian Zhuolun, Zhang Yaqing, and Sun Fei.
The previous versions of this document and the documents it replaces are as follows.
---First issued in.2009 as GB 23440-2009;
---This is the first revision.
Inorganic waterproof plugging materials
1 Scope
This document specifies the classification and marking, technical requirements, test methods, inspection rules, and packaging, marking, and transportation of inorganic waterproof and leak-proof materials.
Transportation, storage and shelf life.
This document applies to the production and inspection of inorganic waterproof plugging materials used for leak plugging, waterproofing and anti-seepage in construction projects.
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 175 General purpose Portland cement
GB/T 176-2017 Chemical analysis methods for cement
GB/T 1346 Test methods for water consumption, setting time and stability of cement of standard consistency
GB 8076 Concrete admixtures
GB/T 17671 Test method for strength of cement mortar (ISO method)
GB/T 50082 Test methods for long-term performance and durability of concrete
JC/T 547-2017 Ceramic Tile Adhesive
JC/T 681 Planetary cement mortar mixer
JG/T 245 Vibrating table for concrete testing
JGJ63 Standard for Water Used in Concrete
JGJ/T 70 Test method for basic properties of building mortar
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
It is made of sulphoaluminate cement and silicate cement as main components, mixed with additives and used for plugging, waterproofing, and anti-corrosion.
Powdered material.
3.2
The inorganic waterproof plugging material slurry specified in this document is applied on the benchmark mortar specimen and the inorganic waterproof plugging material slurry specified in this document is not applied.
The pressure difference of the benchmark mortar specimen of the plugging material mixing slurry during the anti-seepage test within the specified age.
3.3
The pressure value of the anti-seepage test on the anti-seepage test piece made of inorganic waterproof and leak-proof materials after curing to the specified age.
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