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GB 15308-2006 English PDF (GB15308-2006)

GB 15308-2006 English PDF (GB15308-2006)

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GB 15308-2006: Foam extinguishing agent [Including 2009XG1]

This Standard specifies definition, requirements, test methods, inspection rules, marks and other contents of foam extinguishing agent.
GB 15308-2006
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 13.220.10
C 84
Replacing GB 15308-1994, GB 17427-1998, GB 13463-1992
Foam extinguishing agent
???????????????
(ISO 7203, Fire extinguishing media - Foam concentrates, NEQ)
ISSUED ON. DECEMBER 14, 2006
IMPLEMENTED ON. JULY 01, 2007
Issued by.
General Administration of Quality Supervision, Inspection
and Quarantine of the PEOPLE Republic of China;
Standardization Administration of the PEOPLE Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions ... 5
4 Requirements ... 7
5 Test method ... 17
6 Inspection rules ... 42
7 Package, marking, transport and storage ... 43
Annex A ... 45
Annex B... 49
Foreword
Chapter 4 of this Standard is mandatory, while the rest are recommended. Consistency BETWEEN this Standard AND ISO 7203-1.1995(E) ?€?Extinguishing Agent - Foam Concentrate - Low-expansion Foam Concentrate Used for Water-insoluble Liquid Fuel Top Application?€?, ISO 7203-2.1995(E) ?€?Extinguishing Agent Foam Concentrate - Medium and High-expansion Foam Concentrate Used for Water-insoluble Liquid Fuel Top Application?€? and ISO 7203-3.1999(E) ?€?Extinguishing Agent Foam Concentrate - Low-expansion Foam Concentrate Used for Water-insoluble Liquid Fuel Top Application?€? are non-equivalent.
This Standard replaces GB 15308-1994 ?€?General Specification for Foam Extinguishing Agents?€?, GB 17427-1998 ?€?Aqueous Film Forming Foam Extinguishing Agent?€?, and GB 13463-1992 ?€?Alcohol Resistant Foam Extinguishing Agent?€?.
Compared with GB 15308-1994, the main changes of this Standard are as follows. -- Add technical requirements and test methods of ?€?Foam Extinguishing Agent for Foam Extinguishers?€?;
-- Add technical requirements and test methods of ?€?corrosion performance?€? and ?€?freezing point?€?;
-- Add the definitions of ?€?lowest useful temperature?€?, ?€?characteristic values?€?, ?€?25% drainage time?€?, ?€?50% drainage time?€?, ?€?expansion?€?, ?€?foam?€?, ?€?foam solution?€?, ?€?sediment?€?, ?€?spreading coefficient?€? and ?€?anti-burning time?€?;
-- Delete the definition of ?€?temperature-sensitive foam solution?€?;
-- Add Annex A ?€?small fire fighting test for foam performance and fire extinguishing performance quality control?€? and Annex B ?€?viscosity test method?€?.
-- Add the division of disqualification types of items;
-- Revise fire extinguishing test procedures and dividing the grades of fire extinguishing performances of foams.
GA 31-1992 ?€?High-expansion Foam Extinguishing Agent?€? and GA 219-1999 ?€?Protein Foam Concentrate and Fluoroprotein Foam Concentrate?€? shall be abolished, from the date of implementation of this Standard.
Annex B to this Standard is normative; Annex A is informative.
This Standard was proposed by Ministry of Public Security of the PEOPLE Republic of China.
This Standard shall be under the jurisdiction of Third Branch Technical Committee of National Fire Fighting Standardization Committee.
Drafting organizations of this Standard. Tianjin Fire Research Institute, Ansul, Ningbo Nenglin Fire-fighting Equipment Co., Ltd. AND Yangzhou Jiangya Fire Extinguishing Agents Co., Ltd.
Main drafters of this Standard. Liu Yuheng, Jin Hongbin, Dai Huihong, Song Yang, Zhang Guobi, Zhang Yulin, Tong Xiangyou and Liu Jinsheng.
The previous versions replaced by this Standard are as follows.
-- GB 13463-1992;
-- GB 15308-1994;
-- GB 17427-1998.
Foam Extinguishing Agent
1 Scope
This Standard specifies definition, requirements, test methods, inspection rules, marks and other contents of foam extinguishing agent.
This Standard applies to low, medium and high foam extinguishing agent and foam extinguishing agent for fire extinguisher.
This Standard does not apply to chemical extinguishing agent.
2 Normative??references
The articles contained in the following documents have become part of this document when they are quoted herein. For the dated documents so quoted, all subsequent modifications (including all corrections) or revisions made thereafter do not apply to this Standard. However, the parties who reach an agreement according to this Standard are encouraged to study whether the latest versions of these documents may be used. For the undated documents so quoted, the latest versions (including all modification sheets) apply to this document.
GB 4351-1997 General specifications for portable fire extinguishers [Deleted by Modification Sheet No.1, (2009)] [Translator note. The text in BLUE indicates the CHANGES of Modification Sheet No.1 (Approved on March 10, 2009, by National Standardization Authority). Hereafter the same.]
GB 4351.1-2005 Portable fire extinguishers. Part 1. Performance and construction [Added by Modification Sheet No.1, (2009)]
GB/T 6003.1-1997 Test sieves of metal wire cloth (eqv ISO 3310.1.1990)
GB/T 6026 Acetone for industrial
GB/T 6682-1992 Water for laboratory use; Specifications (eqv ISO3696.1987) GB 15368-1994 Portable foam fire extinguishers [Deleted by Modification Sheet No.1, (2009)]
SH 0004 Petroleum solvents for rubber industry
3 Terms??and??definitions
Following terms and definitions apply to this Standard.
3.1 Characteristic values
Physical and chemical performance values of foam concentrate and foam solution provided by suppliers.
3.2 25% drainage time
Time required for drainage of liquid that accounts for 25% of its mass. 3.3 50% drainage time
Time required for drainage of liquid that accounts for 50% of its mass. 3.4 Expansion
Ratio of foaming volume to the volume of foam solution that constitutes foam. 3.5 Low-expansion foam concentrate
Foam concentrate that applies to foam generation of 1~20 times.
3.6 Medium expansion foam concentrate
Foam concentrate that applies to foam generation of 21~200 times.
3.7 High-expansion foam concentrate
Foam concentrate that applies to foam generation of 201 times or more.
3.8 Foam (fire fighting foam)
Air-filled bubbles formed by foam solution.
3.9 Foam concentrate
Concentrated liquid that may be mixed with water to form foam solution based on suitable concentration, also known as foam concentrated solution.
3.10 Foam solution
Solution prepared with foam concentrate and water based on a predetermined concentration, also known as foam mixed solution.
3.11 Protein foam concentrate (P)
Foam concentrate prepared with protein-containing raw materials by partial hydrolysis. 3.12 Fluoroprotein foam concentrate (FP)
Protein foam concentrate with fluorocarbon surfactant.
3.13 Synthetic foam concentrate (S)
Foam concentrate prepared with surfactant mixture and stabilizer as base stock. 3.14 Alcohol-resistant foam concentrate (AR)
Foam concentrate that may resist the destructive effect on foam when foam generated is applied to the surface of alcohols or other polar solvents.
3.15 Aqueous film-forming foam concentrate (AFFF)
Foam concentrate with hydrocarbon surfactants and fluorocarbon surfactants as base stock, which may form a water film on the surface of certain hydrocarbons. 3.16 Film-forming fluoroprotein foam concentrate (FFFP)
Fluoroprotein foam concentrate that may form a water film on the surface of some hydrocarbon.
3.17 Forceful application
Foam supply mode that foam is directly applied to the surface of liquid fuel. 3.18 Gentle application
Foam supply mode that foam is indirectly applied to the surface of liquid fuel by baffle, tank wall or other surface.
3.19 Sediment
Insoluble solid matters in foam concentrate.
3.20 Spreading coefficient
Measuring the capacity that one liquid freely spreads on the surface of another liquid. 3.21Anti-burning time
Time required from burning anti-burning tank to igniting certain fuel surface. 3.22 Lowest useful temperature
Temperature that is 5??C higher than freezing point.
4 Requirements
4.1 General requirements
4.1.1 If foam concentrate is applicable to seawater, the concentration of foam solution c) If supplier declares that samples are affected by freeze-thaw, samples are treated only according to b).
5.2 Anti-freezing and thawing performance
5.2.1Equipments
-- Freezing chamber. Meeting the temperature requirements in 5.2.2 b);
-- Grinding mouth solidifying point determination pipe;
-- Semiconductor solidifying point measuring equipment. Temperature control accuracy ??1??C;
-- Thermometer for condensation point. Division value 1??C.
5.2.2 Test procedures
a) Determinate freezing point of sample according to 5.2.3.
b) Adjust freezing chamber temperature to 10 ??C??1 ??C lower than sample freezing point.
c) Load samples that conform to the requirements in 5.1.1 into plastic or glass container; seal and put into freezing chamber; keep at the temperature prescribed in b) for 24h; after refrigeration is completed, take out samples and place a...

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