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GB/T 19250-2013 English PDF (GBT19250-2013)

GB/T 19250-2013 English PDF (GBT19250-2013)

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GB/T 19250-2013: Polyurethane waterproofing coating

This Standard specifies the classification, general requirements, technical requirements, test methods, inspection rules, marks, packaging, transportation and storage for polyurethane waterproof coating. This Standard is applicable to polyurethane waterproof coating used for engineering waterproof.
GB/T 19250-2013
GB
ICS 91.120.30
Q 17
NATIONAL STANDARD
OF THE PEOPLE REPUBLIC OF CHINA
Replacing GB/T 19250-2003
Polyurethane waterproofing coating
?????????????????????
ISSUED ON. NOVEMBER 27, 2013
IMPLEMENTED ON. AUGUST 01, 2014
Issued by.
General Administration of Quality Supervision, Inspection
and Quarantine of the PEOPLE Republic of China;
Standardization Administration of the PEOPLE Republic of
China
Table of Contents
Foreword ... 3
1 Scope ... 6
2 Normative references ... 6
3 Classification ... 7
4 General requirements ... 7
5 Technical requirements ... 7
6 Test method ... 10
7 Inspection rules ... 17
8 Marking, packaging, transportation and storage ... 19
Annex A (Informative) Application field of the product ... 20
Foreword
This Standard was prepared according to the rules specified in GB/T 1.1-2009. This Standard replaces GB/T 19250-2003 Polyurethane waterproofing coating. Compared with GB/T 19250-2003, in additoin to edition changes, main changes of this Standard are as follows.
?€? MODIFY the product classification. COMBINE the Category I and Category II in previous version into Type I. ADD new Type II and Type III. Type II products refer to the requirements of waterproofer cable duct of high-speed railway bridges. Type III prodcts refer to the requirements of high strength type in JIS A6021 (see Clause 3 and Clause 3 in 2003 edition);
?€? MODIFY the technical requirements. DIVIDE the performances into basic performances and optional performances. For basic performance, CANCEL the adhesion strength items of humid base level in previous version. ADD inspection items such as levelling performance, adhesion strength, water absorption, and combustion performance, changed technical indicators (see table 1 and table 2, table 1 and table 2 in 2003);
?€? MODIFY the time of artificial weathering aging time. EXTEND the 720h in previous version to 1000h (see Table 1 in this Standard, and Table 1 in 2003);
?€? ADD the harmful substance limits (see 5.3);
?€? MODIFY and ADD test methods (see clause 6 and clause 6 in 2003);
?€? ADD the informative annex releated to the application fields of products (see Annex A).
This Standard was proposed by China Building Materials Federation.
This Standard shall be under the jurisdiction of Building Waterproof Material Subcommittee of National Technical Committee 195 on Constructional Materials and Decorative Materials of Standardization Administration of China (SAC/TC 195/SC 1). The responsible drafting organizations. China Building Material Academy Suzhou Waterproof Research Institute, Building Material Industrial Technical Supervision and Research Centre, Beijing Dongfang yuhong Waterproof Technical Co., Ltd, Guangdong Kexun Chemical Co., Ltd, Shenzhen Zhuobao Technology Co., Ltd, and Jiangsu Kailun Building Material Co., Ltd.
The participating drafting organizations. Beijing Building Materials Group Corporation, Shanghai Building Science Research Co., Ltd, Shenzhen Building Science Research Center, Daming New-type Building Waterproof Material Co., Ltd of SLOF, Xinxiang Riyue Waterproof Technical Co., Ltd, Panjin Yuwang Waterproof Material Co., Ltd, Weifang Hongyuan Waterproof Material Co., Ltd, Dalian Yiwen New Material Technical Development Co., Ltd, Guangzhou Xiubo Chemical Co., Ltd, Shanghai Tunnel Building Waterproof Material Co., Ltd, Weifang Yuhong Waterproof Material Co., Ltd, Wujiang Yuexing Building Waterproof Material Co., Ltd, Qingdao Dayang Lighthouse Waterproof Material Co., Ltd, Liaoning Dayu Waterproof Technical Development Co., Ltd, Beijing Jianhai Zhongjian International Waterproof Material Co., Ltd, Wuxi New-district Shuofang Special Waterproof Material Co., Ltd,, Baoding North Waterproof Material Co., Ltd,, Tangshan Desheng Waterproof Material Co., Ltd,, Beijing Pushi Waterproof Material Co., Ltd,, Sichuan Shuyang Waterproof Material Co., Ltd,, Beijing Jianguo weiye Waterproof Material Co., Ltd,, Zhejiang Luban Waterproof Material Co., Ltd,, Xuzhou Woniu Mountain New-type Waterproof Material Co., Ltd,, Shanghai Huili Coating Co., Ltd, Weifang Zhengtai Waterproof Material Co., Ltd,, Weifang Yellow river Waterproof Material Co., Ltd,, Zhejiang Jintang Building Waterproof Material Co., Ltd, Shanghai Runting Building Waterproof Material Co., Ltd, Hubei Yongyang Waterproof Material Co., Ltd,, Beijing Shiji hongyu Technology Co., Ltd, Hangzhou Jingwu Waterproof Material Co., Ltd, Haicheng Yijiada Waterproof Material Co., Ltd,, Hebei Qiangliang Waterproof Material Co., Ltd, Beijing Dayu Waterproof Material Co., Ltd, and Hubei Landun zhixing Technology Co., Ltd.
The chief drafting staffs of this Standard. Zhu Zhiyuan, Yang Bin, Zhu Xiaohua, Chen Bin, Li Wenchao, Jiang Qinyi, Wang Ying, Duan Wenfeng, Chen Weizhong, Guan Yanmin, Qian Lindi, Du Kuiyi, Zheng Xianming, Ni Guiquan, Wei Xiangyang, Shi Litong, Deng Haiyan, Hu Chong, and Yao Shuanghua.
This Standard replaces the following historical edition.
?€? GB/T 19250-2003.
Polyurethane waterproofing coating
1 Scope
This Standard specifies the classification, general requirements, technical requirements, test methods, inspection rules, marks, packaging, transportation and storage for polyurethane waterproof coating (hereinafter referred to as PU waterproof coating). This Standard is applicable to polyurethane waterproof coating used for engineering waterproof.
2 Normative references
The articles contained in the following documents have become part of this Standard when they are quoted herein. For the dated documents so quoted, all the modifications (including all corrections) or revisions made thereafter shall be applicable to this Standard. GB/T 528 Rubber, vulcanized or thermoplastic - Determination of tensile stress-strain performances
GB/T 529-2008 Rubber vulcanized or thermoplastic - Determination of tear strength (Trouser, angle and crescent test pieces)
GB/T 531.1-2008 Rubber vulcanized or thermoplastic - Determination of indentation hardness - Part 1. Duromerer method (Shore hardness)
GB/T 1768-2006 Method of test for abrasion resistance of paint films
GB/T 8626-2007 Test method of flammability for building materials
GB/T 16777-2008 Test methods for building waterproofing coatings
GB/T 18244-2000 Test methods for resistance to weathering pf building water proofing materials
GB 18582 Indoor decorating and refurbishing materials - Limit of harmful substances of interior architectural coatings
GB/T 20624.2-2006 Paints and varnishes - Rapid-deformation (impact resistance) tests - Part 2. Falling-weight test small-area indenter
JC/T 975-2005 Waterproofing coating for concrete bridge and road surface JC 1066-2008 Limit of harmful substances of building waterproof coatings 3 Classification
3.1 Classification
3.1.1 The products can be divided into 2 classifications according to the components, namely, single-component (S) and multi-component (M).
3.1.2 The products can be divided into type I, type II, and type III according to their basic performances (see Annex A).
3.1.3 The products can be divided into exposed (E) and non-exposed (N) according to whether they are used in exposure.
3.1.4 The products can be divided into class A and class B according to harmful substance limits.
3.2 Marking
Marking shall be made in sequence of the product name, composition, basic performance, whether it is exposed, harmful substance limits, and standard number.
Examples.
Class A, type II, exposed, single-component polyurethane waterproof coating is marked as. PU waterproof coating S III E A GB/T 19250-2013.
4 General requirements
The production and application of the products shall not bring harmful influence on human body, biology and the environment. And all safety and environmental requirements involved in or related to the use shall comply with the regulations of our relevant national standards and norms.
5 Technical requirements
5.1 Appearance
Products are uniformly viscous, without gel or agglomerate.
5.2 Physical and mechanical performances
5.2.1 Basic performances
accurate to 0.1%.
6.16 Elongation maintaining aging
TEST according to chapter 11 of GB/T 16777-2008.
6.17 Heat treatment
TEST according to 9.2.2 in GB/T 16777-2008, and the test result shall be processed according to 6.9.
6.18 Alkali treatment
TEST according to 9.2.3 in GB/T 16777-2008, and the test result shall be processed according to 6.9.
6.19 Acid treatment
TEST according to 9.2.4 in GB/T 16777-2008, and the test result shall be processed according to 6.9.
6.20 Artificial climate aging
TEST according to 9.2.6 in GB/T 16777-2008. The accumulated radiation energy shall be 2000 MJ/m2 (exposure time is about 1 000 h). And the test result shall be processed according to 6.9 and 6.11.
6.21 Combustion performance
TEST according to GB/T 8626-2007, using the vertical burning test method. 6.22 Hardness (Shao AM)
PREPARE the coating specimen according to 6.3. TEST according to provisions of GB/T 531.1-2008. Shao AM rubber ha...

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