Foreword
All technical contents of this part in GB 17927 are mandatory.
GB 17927 "Upholstered furniture - Assessment of the resistance to ignition of mattress and sofa" that planned to issue is composed of the following parts:
——Part 1: Smouldering cigarette;
——Part 2: Match flame equivalent;
This part is the first part of GB 17927.
This standard was drafted in accordance with the rules given in "Directives for Standardization - Part 1: Structure and Drafting of Standards" (GB/T 1.1-2009).
This Part replaces GB 17927-1999 "Upholstered Furniture - Assessment of the Resistance to Ignition of Mattress and Sofa", and compared with GB 17927-1999, has the main technical changes as:
——Revise the application scope and be applicable to assessment of resistance to ignition of mattress and sofa for home use (Chapter 1 in edition 1999; Chapter 1 in this edition);
Add and revise some of definitions: add definitions of progressive smouldering, flaming, ignition, mattress, upholstered furniture unit and sofa (2.1, 2.2, 2.5, 2.7, 2.8 and 2.9 in this edition); revise the definition of "resistance to ignition" in the former standard (2.4 in edition 1999, 2.6 in this edition); cancel definition "ignition hazard" (2.3 in edition 1999);
Revise the test position of upholstered furniture in the former standard, and respectively specify the test position of mattress and sofa (8.1.2 in edition 1999, 8.3 in this edition);
Revise the conditioning atmosphere of specimens before the test (7.1 in edition 1999, 7.1 in this edition), and specify the time from conditioning to testing;
Revise the test atmosphere (7.3 in edition 1999, 7.2 in this edition);
Revise the "Assessment of resistance to ignition" (8.1.4 in edition 1999, 8.6 in this edition );
Add the "marking of product" (Chapter 9 in this edition);
Revise "flow diagram for test of resistance to ignition of upholstered furniture" (Appendix A in edition 1999, Appendix A in this edition)
This Part was re-drafted by reference to ISO 8191-1: 1988 "Furniture - Assessment of the ignitability of upholstered furniture - Part 1: Ignition source: smouldering cigarette" and EN 997-1: 1995 "Furniture - Assessment of the ignitability of mattresses and upholstered bed bases - Part 1: Ignition source: smouldering cigarette", and it is not equivalent to ISO 8191-1: 1988 and EN 997-1: 1995 in consistency degree.
Please note that certain contents of this standard may involve patents; the issuance organization of this standard shall not undertake the responsibility of identifying these patents.
This standard was proposed by the China National Light Industry Council.
This Part is under the jurisdiction of the National Technical Committee 480 on Furniture of Standardization Administration of China (SAC/TC 480).
Chief drafting organizations: Shanghai Institute of Quality Inspection and Technical Research, Guangdong Landbond Group Co., Ltd., Guangzhou Building Material Institute Testing Center Co., Ltd., Zhejiang Kuka Technics Sofa Co., Ltd., Hubei Lianle Bed Co., Ltd.
Participating drafting organizations: Sleemon Group Co., Ltd., Ningbo Mengshen Mattress Machinery Co., Ltd., Zhejiang Shaoxing Huaweimei Group Co., Ltd., Shenzhen Zuoyou Furniture Co., Ltd., Zhejiang Sunon Furniture Co., Ltd., Hunan Stardom Furniture Co., Ltd., Yantai Jisi Furniture Group Co., Ltd.
Chief drafting staffs: Gu Ming, Liu Yaoguo, Luo Xin, Zhang Shuyan, Li Longping, Zhu Ziyu, Yang Zhan, Zhao Xia, Luo Jufen, Liu Jianyong, Zhong Wenhan, Yu Xia
The previous edition of the standards replaced by this part of GB 17927 is as:
——GB 17927-1999.
