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【英文标准名称】:StandardTestMethodforMeasuringtheComparativeBurningCharacteristicsandResistancetoBurn-ThroughofSolidPlasticsUsing125-mmFlame
【原文标准名称】:利用125mm火焰测量固态塑料比较燃烧特性和抗烧穿性的标准试验方法
【标准号】:ASTMD5048-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D20.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:塑料;试验;火焰表面传播
【英文主题词】:burningcharacteristics;flammability;plastics,solid;resistancetoburn-through;small-scaleburningtests;verticalburningtests
【摘要】:Thetestresultsrepresentafterflameplusafterglowtime,inseconds,foramaterialundertheconditionsofthetest.Thetestresultsforplaquesalsoindicatewhetherornotthespecifiedflamewillburnthroughamaterial.Theeffectofmaterialthickness,colors,additives,deterioration,andpossiblelossofvolatilecomponentsismeasurable.Theburningcharacteristicsmayvarywiththickness.Testdatashouldonlybecomparedwithdataformaterialsofcomparablethickness.Theresultsserveasareferenceforcomparingtherelativeperformanceofmaterialsandcanbeanaidinmaterialselection.Inthistestmethod,thespecimensaresubjectedtospecificlaboratorytestconditions.Ifdifferenttestconditionsaresubstitutedortheend-useconditionsarechanged,itwillnotalwaysbepossiblebyorfromthistestmethodtopredictchangesinthefire-test-responsecharacteristicsmeasured.Therefore,theresultsarevalidonlyforthefire-test-exposureconditionsdescribedinthistestmethod.1.1Thisfire-test-responsetestmethodcoversasmall-scalelaboratoryprocedurefordeterminingtherelativeburningcharacteristicsandtheresistancetoburn-throughofplasticsusingsmallbarandplaquespecimensexposedtoa125-mm(500-Wnominal)flame.Note18212;ThistestmethodandIEC60695-11-20aretechnicallyequivalent.Note28212;Foradditionalinformationoncomparativeburningcharacteristicsofsolidplasticsinaverticalposition,seeTestMethodD3801.1.2Thistestmethodwasdevelopedforpolymericmaterialsusedforpartsindevicesandappliances.Theresultsareintendedtoserveasapreliminaryindicationoftheiracceptabilitywithrespecttoflammabilityforaparticularapplication.Thefinalacceptanceofthematerialisdependentuponitsuseincompleteequipmentthatconformswiththestandardsapplicabletosuchequipment.1.3TheclassificationsystemdescribedinAppendixX1isintendedforqualityassuranceandthepreselectionofcomponentmaterialsforproducts.1.4Thistestmethodmaybeappliedtoothernonmetallicmaterialsiffoundtobeappropriate.1.5Thistestmethodisnotintendedtocoverplasticswhenusedasmaterialsforbuildingconstructionorfinishing.1.6Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardsorfireriskassessmentofmaterials,products,orassembliesunderactualfireconditions1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.See6.1foraspecifichazardstatement.
【中国标准分类号】:G31
【国际标准分类号】:13_220_40;83_080_01
【页数】:6P.;A4
【正文语种】: