GB 20286-2006 PDF English
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Requirements and mark on burning behavior of fire retarding products and subassemblies in public place
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GB 20286-2006: PDF in English GB 20286-2006
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 13.220.50
Q 10
Requirements and mark on burning behavior of fire
retarding products and subassemblies in public place
ISSUED ON. JUNE 19, 2006
IMPLEMENTED ON. MARCH 1, 2007
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
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 ... 5
4 Classification, grading and naming ... 6
5 Burning behavior requirements ... 7
6 Marking ... 10
7 Test reports ... 12
Annex A (Informative) Public places as specified in Orders No. 39 and No.
61 of the Ministry of Public Security ... 14
Annex B (Normative) Method for testing the burning behavior of upholstered
furniture which is exposed to an open flame ignition source ... 15
Annex C (Normative) Method for testing burning behavior of subassemblies
and furniture which are exposed to an open flame ignition source ... 21
Annex D (Normative) Use of fire retarding products in public places ... 25
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.
This Standard was proposed by Ministry of Public Security of the People's Republic of
China.
This Standard shall be under the jurisdiction of Subcommittee on Fire Protection
Materials of National Technical Committee on Fire Protection of Standardization
Administration of China.
The responsible drafting organizations of this Standard. Sichuan Fire Research
Institute of Ministry of Public Security, China Fire Retardant Society, China Textile
Academy, China Academy of Building Research.
The contributory drafting organizations of this Standard. China National Furniture
Association, Sichuan University, Fuerxin Textile Fire Retarding Materials Co., Ltd.,
Chengdu Railway Fire Prevention Products Factory, Shandong Huamao Fire
Retarding New Materials Technology Co., Ltd.
The main drafters of this Standard. Gao Wei, Lu Guojian, Zhou Zhengmao, Xu Lu,
Qian Jianmin, Zhang Yu, Ji Guangqi, Zhao Chenggang, Ma Yi, Wang Yuzhong, Ma
Daozhen, Liu Yingjun, Kuang Tianshen, Huang Xianbo.
Requirements and mark on burning behavior of fire
retarding products and subassemblies in public place
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.
3.3
fire retarding
Suppression, mitigation or termination of flame propagation.
4 Classification, grading and naming
4.1 Classification
Fire retarding products and subassemblies in public places can be classified into 6
categories.
a) fire retarding building products;
b) fire retarding fabrics;
c) fire retarding plastics/rubbers;
d) fire retarding foam plastics;
e) fire retarding furniture and subassemblies;
f) fire retarding wires and cables.
4.2 Grading
Fire retarding products and subassemblies (except building products) in public places
can be classified into 2 grades in accordance with the burning behavior.
-- fire retarding grade 1;
-- fire retarding grade 2.
4.3 Naming
Fire retarding products (except building products) are named using the following
method. the category of products is indicated within the brackets behind the fire
retarding grade; fire retarding wires and cables shall also be indicated of the category
of fire retarding samples; fire retarding fabrics shall be indicated whether they are
washable; washable fabrics shall also be indicated within the brackets washable type
and washable times. The examples of names and codes of all kinds of fire retarding
products are as follows.
grade one non-washable fire retarding fabrics fire retarding grade 1 (fabrics, non-washable)
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
C.1 Scope of application
This Annex specifies the method for testing burning behavior of subassemblies and
furniture which are exposed to an open flame ignition source.
This Annex applies to assemblies and furniture or the solid models of subassemblies
and furniture.
C.2 Test apparatus
C.2.1 The test apparatus consist of ignition source, conical collector, smoke exhaust
pipe, fan, weighing platform, measuring device and so on.
C.2.2 When an ignition source is used as specified in 3.3 of GA 111-1995, the ignition
source can be moved as needed and fixed securely. The igniter can be fueled by
industrial propane or natural gas.
C.3 Measuring device
C.3.1 For the measuring device for the volume flow rate of gases see 5.2.1 of GA 111–
1995.
C.3.2 For the gas sampling and gas analyzing apparatus see 5.3.1 and 5.3.2.1 ~
5.3.2.2 of GA 111-1995.
C.3.3 For the measuring device for smoke density see 5.4 of GA 111-1995.
C.3.4 The mass loss of test samples is weighed using the weighing platform, which
comply with the following requirements.
a) During the test, use the weighing platform to support test samples; place one
piece of reinforced inorganic board of (1.2 m ± 0.1 m) × (2.4 m ± 0.1 m) on the
platform; the boundaries of the weighing platform are 100 mm ± 10 mm beyond
the upper surface of the inorganic board to prevent test materials from
overflowing.
b) The measuring range of the weighing platform is not less than 90 kg with the
C.6.4 Adjust the gas flow to the specified value to make the heat release output at 100
kW.
C.6.5 Open the gas valve; the igniter is fired at the same time.
C.6.6 Increase the air output of the fan to ensure all products generated by sample
combustion can be collected.
C.6.7 After 10 min of ignition, turn off the igniter.
C.6.8 In case of one of the following cases, stop the test.
a) after the igniter is turned off, all flame combustion stops;
b) the test is carried out for 30 min.
C.6.9 During the process of the test, take photographs and videos of samples.
C.6.10 After the completion of the test, print out test data.
C.7 Test records
Test records shall include the following content.
a) the name of sample manufacturer or sample provider;
b) the description of samples (including the detailed description of the structure and
materials of samples);
c) the dimensions, weight or density of samples;
d) the test data and test participants;
e) the test results.
1) the heat release rate-time curve;
2) the total heat release-time curve;
3) the concentration of carbon dioxide;
4) the concentration of carbon monoxide;
5) the concentration of smoke;
6) the mass loss rate;
7) the stop time of flame combustion;
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
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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