GB 20286-2006Requirements and mark on burning behavior of fire retarding products and subassemblies in public place (English PDF)

Foreword

Clauses 5 and 6 of this Standard are compulsory; the rest are voluntary.

This Standard was drafted in accordance with GB 8624, Classification for burning behavior of building materials and products, and GB 50222, Code for fire prevention in design of interior decoration of buildings, taking into consideration the actual applications of related products in China.

Annex A to this Standard is informative; Annexes B, C and D are normative.

1 Scope

This Standard specifies the definitions and classification, requirements and marking for burning behavior of fire retarding products and subassemblies in public places.

This Standard applies to the fire retarding products and subassemblies in public places (refer to Annex A) as specified in Order No. 39 and Order No. 61 of the Ministry of Public Security.

2 Normative references

The provisions in following documents become the provisions of this Standard through reference in this Standard. For dated references, the subsequent amendments (excluding corrigendum) or revisions do not apply to this Standard, however, parties who reach an agreement based on this Standard are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies.

GB/T 2408, Plastics - Determination of burning characteristics - Horizontal and vertical test (GB/T 2408-1996, eqv ISO 1210:1992)

GB 4943-2001, Safety of information technology equipment (idt IEC 609650:1999)

GB/T 5454, Textiles - Burning behavior - Oxygen index method (GB/T 5454-1997, neq ISO 4589:1984)

GB/T 5455, Textiles - Burning behavior - Vertical method

GB/T 8333, Test method for flammability of rigid cellular plastic - Vertical burning method

GB 8624, Classification for burning behavior of building materials and products

GB/T 8627, Test method for density of smoke from the burning or decomposition of building materials

GB/T 11020, Test methods for the determination of the flammability of solid materials.

4 Classification, grading and naming

Annex A (Informative)

Public places as specified in Orders No. 39 and No. 61 of the Ministry of Public Security A.1 The public venues for entertainment as specified in Order No. 39 of the Ministry of Public Security, Provisions on the Administration of Fire Safety in Public Entertainment Venues, include.

a) places for performance and projection such as movie theaters, video theaters and auditoriums;

b) entertainment venues for singing and dancing such as ballrooms and karaoke lounges;

c) night clubs, music cages and dining places which have an entertainment function;

d) recreational, amusement places;

e) commercial fitness and leisure places such as bowling alleys, roller rinks and sauna bathrooms.

A.2 The public places as specified in Order No. 61 of the Ministry of Public Security, Provisions on the Administration of Fire Control Safety of State Organs, Organizations, Enterprises and Institutions, include.

a) public gathering places such as shopping malls (marketplaces), hotels (restaurants), stadiums (gymnasiums), assembly halls and public entertainment venues (collectively called public gathering places);

b) hospitals, nursing homes and boarding schools, nurseries and kindergartens;

c) passenger stations, wharves and civil airports;

d) culture relic protection sites which have fire risks, such as public libraries, exhibition halls, museums and archives.

Annex C (Normative)

Method for testing burning behavior of subassemblies and furniture which are exposed to an open flame ignition source

Annex D (Normative)

Use of fire retarding products in public places D.1 For building products (including floor coverings) used for ceilings, walls, floors, built-in furniture and so on, when the fire prevention codes for design specify that a product of higher burning behavior grade is required to be used, such fire prevention codes shall be implemented as specified.

D.2 For the cabinets and countertops used in the kitchen. the burning behavior of their materials shall not be lower than grade B as specified in GB 8624; the smoke density rating shall not be lower than grade s2; the additional grade of flaming droplets/particles shall not be lower than grade d1; the smoke toxicity grade shall not be lower than grade t1. For the gas pipes and electric conduits which are made of plastics, the burning behavior of their materials shall not be lower than fire retarding grade 1 as specified in Table 2.

D.3 The furniture and subassemblies used in public places including seats, sofas and mattresses, except that the foam plastics and fabrics used need to comply with the requirements of this Standard, the furniture and subassemblies themselves shall also comply with the requirements of this Standard.

D.4 For the decorative upholsteries used for ceilings and walls in public places. the burning behavior of their materials shall not be lower than grade C as specified in GB 8624; the smoke density rating shall not be lower than grade s2; the additional grade of flaming droplets/particles shall not be lower than grade d1; the smoke toxicity grade shall not be lower than grade t1.

D.5 For the fire retarding wires/cables and the electric appliances which may cause heat, used in public places, fire retarding wire conduits or fireproof materials shall be used for protection when they are arranged on combustible materials.

D.6 When non-washable fire retarding fabrics are used, fire retarding treatment shall be carried out once again after washing for each time; their fire retarding performance shall be as required by this Standard. When washable fire retarding fabrics are used, their use can be continued only when the pass the inspection once again when their washing times exceed the washing times indicated in marking. The fire retarding fabrics which require washing frequently, such as curtains, heavy curtains and bedspreads, shall be washable fire retarding fabrics.

D.7 When fire retarding foam plastics are used as thermal insulation materials at evacuation exits and in places where there are intensive human activities, the surface