GB 8624-2025 Pending National standards force_standard

GB 8624-2025 Classification for burning behavior of building materials and products

GB 8624-2025 Classification for burning behavior of building materials and products

Publish Date: 2025-12-31 Implement Date: 2027-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us
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Basic Information

Standard Code: GB 8624-2025
Standard Type: National standards
Standard Status: Pending
is_force_gb: yes
CCS Name: Fire fighting
ICS Name: The fire resistance of building materials and components
Publish Date: 2025-12-31
Implement Date: 2027-01-01
Pages: 32 pages

Scope

This document specifies the classification and grades of the combustion performance of building materials and products, the criteria for combustion performance grades, the application of grading results, grading expressions, marking, and reporting.
This document is applicable to the grading and determination of the combustion performance of building materials and products, decorative materials and products, and non-metallic materials and products used in equipment and devices. The grading of the combustion performance of other materials and products can be used for reference.

Development Information

Word Count: 46 Thousand words Pages: 32 pages

Replace the following standards

Referenced Standards

GB/T 2406.2-2009 Plastics—Determination of burning behaviour by oxygen index—Part 2:Ambient-temperature test GB/T 2408-1996 Plastics—Determination of the burning behaviour of horizontal and vertical specimens in contact with a small-flame ignition source GB/T 2408-2008 Plastics—Determination of burning characteristics—Horizontal and vertical test GB/T 2408-2021 Plastics—Determination of burning characteristics—Horizontal and vertical test GB/T 5169.16-2002 Fire hazard testing for electric and electronic products—Part 16:50W horizontal and vertical flame test methods GB/T 5169.16-2008 Fire hazard testing for electric and electronic products—Part 16:Test flames—50 W horizontal and vertical flame test methods GB/T 5169.16-2017 Fire hazard testing for electric and electronic products—Part 16:Test flames—50 W horizontal and vertical flame test methods GB/T 5454-1997 Textiles—Burning behaviour—Oxygen index method GB/T 5455-1997 Textiles—Burning behaviour—Vertical method GB/T 5455-2014 Textiles—Burning behaviour—Determination of damaged length,afterglow time and afterflame time of vertically oriented specimens GB/T 5464-1999 Non-combustibility test method of building materials GB/T 5464-2010 Non-combustibility test method for building materials GB/T 8333-1987 Test method for flammability of rigid cellular plastics—Virtical burning method GB/T 8333-2008 Test method for flammability of rigid cellular plastic—Virtical burning method GB/T 8333-2022 Plastic—Test method for flammability of rigid cellular plastic—Virtical burning method GB/T 8626-1988 Test method of flammability for building materials GB/T 8626-2007 Test method of flammability for building materials GB/T 8627-1999 Test method for density of smoke from the burning or decomposition of building materials GB/T 8627-2007 Test method for density of smoke from the burning or decomposition of building materials GB/T 10294-1988 Thermal insulation—Determination of steady-state thermal resistance and related properties—Guarded hot plate apparatus GB/T 10294-2008 Thermal insulation—Determination of steady-state thermal resistance and related properties—Guarded hot plate apparatus GB/T 10295-1988 Thermal insulation—Determination of steady-state thermal resistance and related properties—Heat flow meter apparatus GB/T 10295-2008 Thermal insulation—Determination of steady-state thermal resistance and related properties—Heat flow meter apparatus GB/T 11785-1989 Floor coverings—Determination of critical radiant flux using a radiant heat energy source GB/T 11785-2005 Reaction to fire tests for floorings—Determination of the burning behaviour using a radiant heat source GB/T 14402-1993 Test method of heat of combustion for building materials GB/T 14402-2007 Reaction to fire tests for building materials and products—Determination of the heat of combustion GB/T 16172-1996 Test method for heat release rate of building materials GB/T 16172-2007 Test method for heat release rate of building materials GB/T 17596-1998 Textiles—Commercial laundering procedure for textile fabrics prior to flammability testing GB 17927-1999 Upholstered furniture—Assessment of the resistance to ignition of the spring mattress and the sofa GB 17927-2024 Safety technical specification of flame resistance for furniture GB 17927.1-2011 Upholstered furniture—Assessment of the resistance to ignition of mattress and sofa—Part 1:Smouldering cigarette GB 17927.2-2011 Upholstered furniture—Assessment of the resistance to ignition of mattress and sofa—Part 2:Match flame equivalent GB/T 20284-2006 Single burning item test for building materials and products GB/T 20285-2006 Toxic classification of fire effluents hazard for materials GB/T 27904-2011 Testing method for fire characteristics of furniture and subassemblies exposed to flaming ignition source GB/T 30735-2014 Test methods for external exposure of roofs and roof coverings to fire GB/T 34441-2017 Upholstered furniture—Assessment of burning behavior of mattress GB/T 40237-2021 Test method for ignitability of foamed plastic—Welding spark method GB/T 40238-2021 Reaction to fire tests for building materials and products—General rules for selection of substrates,conditioning and mounting of specimen GB/T 46980-2025 Test method for fire resistance of photovoltaic modules GB/T 16172-2026 Test method for heat release rate and smoke production rate of building materials GB/T 5464-2026 Non-combustibility test method for building materials GB/T 8626-2026 Test method of flammability for building materials GB/T 11785-2026 Reaction to fire tests for floorings—Determination of the burning behaviour using a radiant heat source GB/T 14402-2026 Reaction to fire tests for building materials and products—Determination of the heat of combustion GB/T 20284-2026 Single burning item test for building material and product

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