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【英文标准名称】:StandardTestMethodforTemperatureLimitofFlammabilityofChemicals
【原文标准名称】:化学制品可燃性的温度限度用标准试验方法
【标准号】:ASTME1232-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E27.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:化学制品;防火安全;闪点;试验方法
【英文主题词】:temperature;flammability;air;oxidant;equipment
【摘要】:1.1Thistestmethodcoversthedeterminationoftheminimumtemperatureatwhichvaporsinequilibriumwithaliquid(orsolid)chemicalwillbesufficientlyconcentratedtoformflammablemixturesinairatatmosphericpressure.Thistestmethodiswrittenspecificallyfordeterminationofthetemperaturelimitofflammabilityofsystemsusingairasthesourceofoxidantanddiluent.Itmayalsobeusedforotheroxidant/diluentcombinations,includingairplusdiluentmixtures;however,nooxidant/diluentcombinationstrongerthanairshouldbeused.Also,nounstablechemicalcapableofexplosivedecompositionreactionsshouldbetested(see8.3).1.2Thistestmethodisdesignedandwrittentoberunatlocalambientpressureandislimitedtoamaximuminitialpressureof1atmabs.Itmayalsobeusedforreducedpressureswiththepracticallowerpressurelimitbeingapproximately13.3kPa(100mmHg).Themaximumpracticaloperatingtemperatureofthisequipmentisapproximately150176;C(302176;F)(NoteA1.2).1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareprovidedforinformationonly.1.4Thisstandardshouldbeusedtomeasureanddescribethepropertiesofmaterials,products,orassembliesinresponsetoheatandflameundercontrolledlaboratoryconditions,andshouldnotbeusedtodescribeorappraisethefirehazardorfireriskofmaterials,products,orassembliesunderactualfireconditions.However,resultsofthistestmaybeusedaselementsofafireriskassessmentwhichtakesintoaccountallofthefactorswhicharepertinenttoanassessmentofthefirehazardofaparticularenduse.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificsafetyprecautionsaregiveninSection8.
【中国标准分类号】:G04
【国际标准分类号】:13_220_40;71_100_01
【页数】:10P.;A4
【正文语种】: