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GB 8624-2012: PDF in English
GB 8624-2012
GB
ICS 13.220.50
C 80
NATIONAL STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
Replacing GB 8624-2006
Classification for burning behavior of
building materials and products
ISSUED ON. DECEMBER 31, 2012
IMPLEMENTED ON. OCTOBER 01, 2013
Jointly issued by. General Administration of Quality Supervision, Inspection and
Quarantine (AQSIQ);
and the Standardization Administration (SAC) of the People's
Republic of China.
Table of Contents
Foreword ... 3
Introduction ... 5
1 Scope ... 6
2 Normative References ... 6
3 Terms and Definitions ... 7
4 Burning Behavior Grade ... 9
5 Burning Behavior Classification Criteria... 10
5.1 Building Materials ... 10
5.2 Building Products ... 12
6 Mark of Burning Behavior Grade ... 14
7 Classification Inspection Report ... 14
Appendix A ... 16
Appendix B ... 22
Appendix C ... 24
Bibliography ... 25
Foreword
Chapter 4, Chapter 5 and 6.1 of this standard are compulsory; the rest are
recommendatory.
This standard was drafted according to the rules given in GB/T 1.1-2009.
This standard replaces GB 8624-2006 "Classification for burning behavior of building
materials and products". Compared with GB 8624-2006, the main technical changes,
except the editorial modifications, are as follows.
- Modify the Foreword, Introduction and part of Terms and Definitions. Delete the
Symbols and Abbreviations;
- Modify the division and classification criteria of burning behavior grade (see
Chapter 4 and 5; Chapter 4, 10 and 11 in Edition 2006).
- Add the burning behavior classification of building products (see 5.2);
- Delete the test methods; test principles and test sample preparation; classification
test quantity; test of building products (except the flooring materials); test of
flooring material; and application scope of this classification (see Chapters 5, 6, 7,
8,9 and 13 of Edition 2006);
- Modify the grade mark of burning behavior, additional information and mark (see
Chapter 6 and Appendix B; Chapters 4 and 12 in Edition 2006);
- Delete the contents of previous Appendix A, Appendix B and Appendix C.
Supplement the contents of new Appendix A, Appendix B and Appendix C.
This standard is reference to EN 13501-1.2007 "Fire classification of construction
products and building elements - Part 1. Classification using data from reaction to fire
tests".
This standard was proposed by the Ministry of Public Security of the People's
Republic of China.
This standard shall be under the jurisdiction of the Fireproof Materials Technical
Subcommittee of National Technical Committee on Fire Protection of Standardization
Administration of China (SAC/TC 13/SC 7).
Responsible drafting organization of this standard. Sichuan Fire Research Institute of
Ministry of Public Security.
Participating drafting organizations of this standard. Technical Supervision and
Research Center of the Building Materials Industry, China Building Materials Academy,
Institute of Fire Prevention of China Academy of Building Research, Research
Institute of Wood Industry of Chinese Academy of Forestry, Bayer Materials Science
(China) Co., Ltd., Armacell Thermal Insulation Materials (Guangzhou) Co., Ltd.,
Owens Corning (China) Investment Co., Ltd., Aeroflex International Co., Ltd.
Shanghai Armstrong Building Products Co., Ltd., Huamei Group Co., Ltd., Changzhou
Jingxue Insulation Technology Co., Ltd., Kingfa Science and Technology Co., Ltd.,
Wanhua Chemical Group Co., Ltd., and Feininger (Nanjing) Energy Saving
Technology Co., Ltd.
Main drafting staffs of this standard. Li Feng, Zhao Chenggang, Lu Guojian, Zeng
Xubin, Deng Xiaobing, Liu Songlin, Liu Wuqiang, Liu Haibo, Ma Daozhen, and Chen
Zhilin.
The previous editions of this standard are.
- GB 8624-1988, GB 8624-1997 and GB 8624-2006.
Introduction
GB 8824 was issued in 1988 for the first time. Then the first revision GB 8624-1997
was issued based on the West Germany standard DIN 4102-1.1981 "Fire behavior of
building materials and building components; building materials; concepts,
requirements and tests". As the Chinese classification criteria for burning behavior of
building material, GB 8624-1997 had played an important role in the areas such as
burning behavior evaluation and grading, fire safety design guidance, firefighting
supervision, and implementation of code of design on building fire protection and
prevention.
In 2006, with reference to EN 13501-1.2002 "Fire classification of construction
products and building elements. Classification using test data from reaction to fire
tests" drafted by European Committee for Standardization (CEN), GB 8624 was
revised for the second time. Revision GB 8624-2006 was issued. Compared with
Edition 1997, GB 8624-2006 had made relatively significant changes in the area of
classification and criteria of the burning behavior of building materials and products;
the burning behavior classification was changed from 4 grades - A, B1, B2, and B3 to 7
grades - A1, A2, B, C, D, E and F.
Judged from the implementation situation of GB 8624-2006, there were problems
such as the classification of burning behavior is too meticulous; it does not match with
the current actual engineering construction in China. In order to enhance the
applicability and compatibility, the third revision was made to GB 8624. This standard
defines the basic classification of burning behavior of building materials – they are
remained as A, B1, B2 and B3. At the same time, it establishes the corresponding
relationship with the European standard classification A1, A2, B, C, D, E and F; and
adopts the classification criteria of European standard EN 13501-1.2007.
Classification for burning behavior of
building materials and products
1 Scope
This standard specifies the terms and definitions, burning behavior grades, burning
behavior grade criteria, burning behavior grade identification and inspection report of
building materials and products.
This standard is applicable to burning behavior classification and judgment of building
materials, decoration materials and products in construction engineering.
2 Normative References
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition cited applies. For undated
references, the latest edition of the normative document (including all corrigenda)
applies.
GB/T 2406.2 Plastics - Determination of Burning Behavior by Oxygen Index -
Part 2. Ambient-temperature Test
GB/T 8408 Plastics - Determination of Burning Characteristics - Horizontal and
Vertical Test
GB/T 5169.16 Fire Hazard Testing for Electric and Electronic Products - Part 16.
Test Flames - 50W Horizontal and Vertical Flame Test Methods
GB/T 6454 Textiles - Burning Behavior - Oxygen Index Method
GB/T 5455 Textiles - Burning Behavior - Vertical Method
GB/T 5464 Non-combustibility Test Method of Building Materials
GIB/T 5907 Fundamental Terminology of Fire Protection. Part 1
GB/T 8333 Test Method for Flammability of Rigid Cellular Plastic - Vertical
Burning Method
GB/T 8626 Test Method of Flammability for Building Materials
GB/T 8627 Test Method for Density of Smoke from the Burning or Decomposition
of Building Materials
GB/T 11785 Reaction to Fire Tests for Floorings - Determination of the Burning
Behavior Using a Radiant Heat Source
GB/T 14402 Reaction to Fire Tests for Building Materials and Products -
Determination of the Heat of Combustion
GB/T 16172 Test Method for Heat Release Rate of Building Mate
GB/T 17596 Textiles - Commercial Laundering Procedure for Textile Fabrics Prior
to Flammability Testing
GB 17927.1 Upholstered furniture - Assessment of the Resistance to Ignition of
Mattress and Sofa - Part 1. Smouldering Cigarette
GB/T 20284 Single Burning Item Test for Building Materials and Products
GB/T 20285 Toxic Classification of Fire Effluents Hazard for Materials
GB/T 27904 Testing Method for Fire Characteristics of Furniture and
Subassemblies Exposed to Flaming Ignition Source
3 Terms and Definitions
For the purposes of this document, the following terms and definitions AND those
defined in GB/T 5907 apply.
3.1 Product
The building material, composite material or module of which the information is
required.
3.2 Material
The mixture of single substance or un...
......
| Standard ID | GB 8624-2012 (GB8624-2012) | | Description (Translated English) | Classification for burning behavior of building materials and products | | Sector / Industry | National Standard | | Classification of Chinese Standard | C80 | | Classification of International Standard | 13.220.50 | | Word Count Estimation | 23,239 | | Older Standard (superseded by this standard) | GB 8624-2006 | | Quoted Standard | GB/T 2406.2; GB/T 2408; GB/T 5169.16; GB/T 5454; GB/T 5455; GB/T 5464; GB/T 5907; GB/T 8333; GB/T 8626; GB/T 8627; GB/T 11785; GB/T 14402; GB/T 16172; GB/T 17596; GB 17927.1; GB/T 20284; GB/T 20285; GB/T 27904 | | Drafting Organization | Ministry of Public Security Sichuan Fire Research Institute | | Administrative Organization | National Fire Protection Standardization Technical Committee Technical Committee fireproof materials | | Regulation (derived from) | National Standards Bulletin 2012 No. 41 National Standards Commission recently released 16 national standards for fire protection | | Proposing organization | Ministry of Public Security of the People's Republic of China | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard specifies the materials and products terms and definitions, the combustion performance levels, combustion performance rating criteria, the combustion performance level identification and inspection reports. This standard applies to m |
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