GB 17927-2024 PDF English
GB 17927: Historical versions
| Standard ID | USD | BUY PDF | Delivery | Standard Title (Description) | Status |
| GB 17927-2024 | 275 | Add to Cart | Auto, 9 seconds. | Safety technical specification of fire retardant for furniture | Valid |
| GB 17927.1-2011 | 85 | Add to Cart | Auto, 9 seconds. | Upholstered furniture -- Assessment of the resistance to ignition of mattress and sofa -- Part 1: Smoldering cigarette | Valid |
| GB 17927-1999 | 70 | Add to Cart | Auto, 9 seconds. | Upholstered furniture--Assessment of the resistance to ignition of the spring mattress and the sofa | Obsolete |
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GB 17927-2024: Safety technical specification of fire retardant for furniture
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB17927-2024GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 97.140 CCS Y 80 Replacing GB 17927.1-2011, GB 17927.2-2011 Safety technical specification of flame resistance for furniture Issued on. AUGUST 23, 2024 Implemented on. SEPTEMBER 01, 2025 Issued by. State Administration for Market Regulation; Standardization Administration of the People's Republic of China.
Table of Contents
Foreword... 3 1 Scope... 4 2 Normative references... 4 3 Terms and definitions... 4 4 Requirements... 5 5 Ignition criteria... 5 6 Verification methods... 6 7 Result determination... 7 8 Marks... 8 Annex A (normative) Ignition test procedure for cigarette ignition sources... 9 Annex B (normative) Test procedure for ignition simulation with a match flame ignition source... 12 Annex C (normative) Test procedures for ignition of wood stack ignition sources... 15Foreword
This document was drafted in accordance with the rules given in GB/T 1.1-2020 "Directives for standardization - Part 1.Rules for the structure and drafting of standardizing documents". This document replaces GB 17927.1-2011 "Upholstered furniture -- Assessment of the resistance to ignition of mattress and sofa -- Part 1.Smouldering cigarette" and GB 17927.2-2011 "Upholstered furniture -- Assessment of the resistance to ignition of mattress and sofa -- Part 2.Match flame equivalent". Compared with GB 17927.1-2011 and GB 17927.2-2011, in addition to structural adjustments and editorial changes, the main technical changes in this document are as follows. a) Flame-retardant grade III has been added (see Chapter 4 of this Edition); b) The test method for ignition source of wood pile has been added (see 6.6 of this Edition); c) The length of the cigarette has been changed from (60±5) mm to (55±5) mm (see A.1 in Annex A of this Edition; 6.2 in GB 17927.1-2011). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing authority shall not be held responsible for identifying any or all such patent rights. This document was proposed by and shall be under the jurisdiction of Ministry of Industry and Information Technology of the People's Republic of China. Main drafting organizations of this document. The drafting organizations of this document. Main drafters of this document. Versions of standard substituted by this document are. - It was first published in 1999 as GB 17927.1-1999, and first revised in 2011; - It was first published in 2011 as GB 17927.2-2011; - This is the first integrated revision. Safety technical specification of flame resistance for furniture1 Scope
This document specifies the requirements, inspection rules and marking for the flame resistance of furniture. It describes the corresponding verification methods. This document applies to the quality control of upholstered furniture and furniture upholstered parts.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 referenced document (including any amendments) applies. GB/T 28202-2020, Furniture industry terminology3 Terms and definitions
For the purposes of this document, the terms and definitions defined in GB/T 28202- 2020 and the followings apply to this document. 3.1 flame resistance The property of inhibiting, slowing down or stopping the spread of flame. 3.2 afterglow Under specified test conditions, after the fire source is removed or the flaming combustion is terminated, 3.3 flaming A gaseous combustion process accompanied by luminescence.4 Requirements
The flame resistance of upholstered furniture and furniture with soft covering parts in typical usage places shall not be lower than the corresponding requirements in Table 1.5 Ignition criteria
5.1 Afterglow ignition The following phenomena are considered afterglow ignition. 5.2 Flaming ignition The following phenomena are considered as flaming ignition.6 Verification methods
6.1 Test safety facilities 6.1.1 Test chamber The test chamber can be a room with a volume greater than 20 m3 (containing sufficient oxygen for the test), or a small space with ventilation facilities. The airflow rate around the test bench is 0.02 m/s~0.2 m/s, which does not interfere with the combustion test. 6.2 Test instruments and equipment 6.2.1 Timer The timer shall have a range of no less than 60 min and an accuracy of 1 s. 6.2.2 Test platform The surface of the work platform shall be flat and solid to ensure that the specimen can be placed stably. 6.3 Pretreatment and test environment 6.3.1 Pretreatment environment Temperature. (23.0±2.0)℃. Relative humidity. (50.0±5.0)%. The pretreatment time of cigarette, wood pile ignition source and specimen is at least 24 h. 6.4 Ignition test of cigarette ignition source Perform the test in accordance with the provisions of Annex A. 6.5 Ignition test of simulating match flame ignition source Perform according to the provisions of Annex B. 6.6 Ignition test of wood pile ignition source Perform according to the provisions of Annex C.7 Result determination
7.1 Selection of ignition source Select the corresponding ignition source in Table 1 according to the place where the furniture is used or the flame-retardant grade requirements. 7.2 Test result determination Carry out flame-retardant test according to the provisions of Annex A ~ Annex C.8 Marks
The flame-retardant rating shall be indicated on the product or in the instructions for use. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
