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GB/T 42529-2023: Evaluation requirements for moisture conduction and phase change respiratory function of new wall materials
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| GB/T 42529-2023 | English | 219 |
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Evaluation requirements for moisture conduction and phase change respiratory function of new wall materials
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GB/T 42529-2023
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PDF similar to GB/T 42529-2023
Standard similar to GB/T 42529-2023 GB/T 23451 GB/T 33544 GB 13476 GB/T 23450 Basic data | Standard ID | GB/T 42529-2023 (GB/T42529-2023) | | Description (Translated English) | Evaluation requirements for moisture conduction and phase change respiratory function of new wall materials | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q15 | | Classification of International Standard | 91.100.15 | | Word Count Estimation | 10,189 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-12-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42529-2023: Evaluation requirements for moisture conduction and phase change respiratory function of new wall materials
---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.
ICS 91:100:15
CCSQ15
National Standards of People's Republic of China
Moisture conduction and phase change breathing function of new wall materials
evaluation requirements
Released on 2023-05-23
2023-12-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Evaluation indicators 1
5 Test method 2
6 Evaluation method 6
7 Judgment 6
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:
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed by China Building Materials Federation:
This document is under the jurisdiction of the National Standardization Technical Committee of Building Materials for Wall, Roof and Road (SAC/TC285):
This document is drafted by: Haoyao Times (Fujian) Group Co:, Ltd:, China National Inspection and Testing Holding Group Xi'an Co:, Ltd:, Anhui Provincial Construction
Established Engineering Testing Research Institute Co:, Ltd:, Huzhou Huineng New Material Technology Co:, Ltd:, Wuhan University of Technology, and China National Inspection and Testing Holding Group
Group Co:, Ltd:, China Academy of Building Materials Science and Technology Co:, Ltd:, Xinjiang Uygur Autonomous Region Product Quality Supervision and Inspection Research Institute,
Shenzhen Huazhu Habitat Technology Co:, Ltd:, Wuhan Chenchuang Runke Materials Co:, Ltd:, Shanxi Ansheng Technology Development Co:, Ltd:, Chiping Xinyuan Environmental Protection
Building Materials Co:, Ltd:, Shandong Environmental Energy Design Institute Co:, Ltd:, Wenzhou Fengzheng Construction Co:, Ltd:, Alar City Zhejian New Building Materials Group
Co:, Ltd:, Qinghai Rectangular Quality Inspection Technology Co:, Ltd:, Shandong Dongfang Road and Bridge Construction Co:, Ltd:
The main drafters of this document: Li Guiqiang, Zhang Liquan, Lin Ling, Ma Baoguo, Li Wen, Liu Chen, Liu Xiaohai, Wu Nani, Zhang Ting, Shu Dongdong, Xia Ridong,
Cao Mingmin, Wei Liying, Li Yan, Mu Xiujun, Zhang Jincheng, Zeng Chunyan, Ning Jirong, Li Hongyi, Tang Zhengjun, Gao Feiyu, Song Shixia, Zhao Jinbing, Zhang Guanzhou,
Liu Lele, Wang Qinghao, Yang Haiming, Bai Yu, Shan Yanyong, Liu Chengcai:
Moisture conduction and phase change breathing function of new wall materials
evaluation requirements
1 Scope
This document specifies the evaluation requirements, evaluation methods and judgments for the moisture conduction and phase change breathing functions of new wall materials:
This document is applicable to the detection and evaluation of the temperature and humidity regulation functions of new wall materials for industrial and civil buildings:
2 Normative references
This document has no normative references:
3 Terms and Definitions
The following terms and definitions apply to this document:
3:1
moisture conduction
The process by which new wall materials absorb and release moisture when in contact with the external environment:
3:2
Due to the influence of humidity diffusion, temperature and other factors, the new wall material releases the absorbed liquid water to the external environment as gaseous water vapor:
Ability:
3:3
general mode generalmode
The temperature and humidity conditions set for the design and evaluation of the moisture conduction performance and phase change breathing performance of new wall materials in general environments, usually
The temperature fluctuation range is usually set at 5°C~60°C, and the relative humidity fluctuation range is 20%~95%:
3:4
comfort mode comfortmode
The temperature and humidity conditions set for the design and evaluation of the moisture conduction performance and phase change breathing performance of new wall materials in a human livable environment
Components, usually set the temperature at (23±2)°C, and the relative humidity at (50±10)%:
3:5
The temperature when the indication value of the temperature sensor on the upper and lower surfaces of the sample is consistent with the indication value of the temperature sensor in the temperature and humidity control chamber:
3:6
Equilibriummoisture
The relative humidity when the indication value of the humidity sensor on the upper and lower surfaces of the sample is consistent with the indication value of the humidity sensor in the temperature and humidity control chamber:
4 Evaluation indicators
The evaluation index requirements for phase change breathing function of new wall materials are shown in Table 1:
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