GB/T 40238-2021 English PDF

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GB/T 40238-2021: Reaction to fire tests for building materials and products - General rules for selection of substrates, conditioning and mounting of specimen
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Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 40238-2021	259	Add to Cart	3 days	Reaction to fire tests for building materials and products - General rules for selection of substrates, conditioning and mounting of specimen	Valid

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Basic data

Standard ID: GB/T 40238-2021 (GB/T40238-2021)
Description (Translated English): Reaction to fire tests for building materials and products - General rules for selection of substrates, conditioning and mounting of specimen
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: C80
Word Count Estimation: 14,192
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 40238-2021: Reaction to fire tests for building materials and products - General rules for selection of substrates, conditioning and mounting of specimen

---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.
Reaction to fire tests for building materials and products-General rules for selection of substrates, conditioning and mounting of specimen ICS 130.220.40 CCSC80 National Standards of People's Republic of China Building materials and products burning test Base material selection, sample condition adjustment and installation requirements Released on 2021-05-21 2021-12-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Sample state adjustment 2 4.1 General requirements 2 4.2 Constant quality 2 4.3 Maintenance period 2 5 Substrate selection 3 5.1 Standard base material for paving materials 3 5.2 Standard base material for wall and ceiling surface decoration products 3 6 Sample installation requirements 4 6.1 General requirements 4 6.2 GB/T 20284 test 4 6.3 GB/T 8626 Test 8 6.4 GB/T 11785 Test 8

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 of Standardization Documents" Drafting. Please note that certain contents of this standard may involve patents. The issuing agency of this standard is not responsible for identifying patents. This document was proposed by the Ministry of Emergency Management of the People's Republic of China. This document is under the jurisdiction of the National Fire Standardization Technical Committee (SAC/TC113). Authorities responsible for drafting this document. Sichuan Fire Research Institute of the Ministry of Emergency Management, Beijing Fire and Rescue Corps, Zhejiang Fire and Rescue Corps, China National Building Material Inspection and Certification Group Co., Ltd., Yingsheng Energy Saving Group Co., Ltd., Asia Chuangneng Technology (Shanghai) Co., Ltd. The main drafters of this document. Zhao Chenggang, Zeng Xubin, Deng Xiaobing, Miao Xiangyang, Wang Liping, Wang Zhukun, Yang Zhangjie, Zhang Jun, Cha Chunxi. Building materials and products burning test Base material selection, sample condition adjustment and installation requirements

1 Scope

This document specifies the base material selection, sample condition adjustment and installation requirements for the combustion test of building materials and products. The state adjustment specified in this document is applicable to the combustion test of building materials and products; the method of base material selection and sample installation is applicable to Building materials and products tested in GB/T 20284, GB/T 11785 and GB/T 8626 and classified according to GB 8624-2012.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB 8624-2012 Classification of burning performance of building materials and products GB/T 8626 Test method for flammability of building materials GB/T 11785 Determination of the combustion performance of floor coverings by radiant heat source method GB/T 20284 Single burning test of building materials or products

3 Terms and definitions

The following terms and definitions defined in GB 8624-2012 apply to this document. 3.1 Buildingproduct Building materials, composite materials or components for which relevant information is required. [Source. GB 8624-2012, definition 3.1] 3.2 Material buildingmaterial Single substance or evenly distributed mixture, such as metal, stone, wood, concrete, mineral fiber, polymer. [Source. GB 8624-2012, definition 3.2] 3.3 Assembly Manufactured products of materials and composite materials, such as sandwich panels. Note. The components can contain air gaps. 3.4 Homogenousproduct Composed of a single material, or a product with uniform density and composition inside. [Source. GB 8624-2012, definition 3.4] ......

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