【英文标准名称】:StandardTestMethodforHorizontalBurningCharacteristicsofCellularPolymericMaterials
【原文标准名称】:多孔聚合材料的水平燃烧特性的标准试验方法
【标准号】:ASTMD4986-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:
【英文主题词】:burningcharacteristics;burningrate;cellularmaterials;horizontal;Burningcharacteristics--rubber/cellularmaterials;Cellularplastics;Firetesting--rubber/cellularmaterials;Heatingtests--plastics;Horizontalburning(HB)rate;Polymers
【摘要】:Thistestmethodprovidesameansofmeasuringthetimeandextentofburningforcellularpolymericmaterials.Italsoprovidesameansofmeasuringburningratesformaterialsthatcontinuetoburnpastthespecifiedgagemarks.Thistestmethodprovidesameansofcomparingtheburningcharacteristicsofmaterialsoflikethicknessdensity,cellsize,andskinirregularities,includingtheeffectoffallingparticlesofcellularpolymericmaterials.Itissuitableforqualitycontrol,specificationacceptance,andforresearchanddevelopment.Examplesincludefilledorreinforced,rigidorflexible,orcutorformedmaterialsInthistestmethod,thespecimensaresubjectedtooneormorespecificsetsoflaboratoryfiretestexposureconditions.Ifdifferenttestconditionsaresubstitutedoriftheanticipatedend-useconditionsarechanged,itisnotalwayspossiblefromthistestmethodtopredictchangesintheperformancecharacteristicsmeasured.Therefore,theresultsarestrictlyvalidonlyforthefiretestexposureconditionsdescribedinthisprocedure.Thistestmethodisnotintendedtobeacriterionforfirehazard.Thefirehazardcreatedbymaterialsdependsupontheformandenduseofthematerial.Assessmentoffirehazardincludes,butisnotlimitedto,manyfactorssuchasflamespread,burningrate,easeofignition,fuelcontribution,heatevolution,productsofcombustion,andothers.1.1Thisfire-test-responsetestmethoddescribesasmall-scalehorizontallyorientedburningtestprocedureforcomparingtherelativerateofburningandtheextentandtimeofburningofcellularpolymericmaterialshavingadensitylessthan250kg/m3.1.2TheclassificationsystemdescribedintheAppendixX1isintendedforqualityassuranceandthepreselectionofcomponentmaterialsforproducts.1.3Thisstandardmeasuresanddescribestheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecifichazardstatement,seeNote3.1.6Firetestingisinherentlyhazardous.Adequatesafeguardsforpersonnelandpropertyshallbeemployedinconductingthesetests.Note18212;ThistestmethodisequivalenttoISO9772.
【中国标准分类号】:G31
【国际标准分类号】:83_100
【页数】:6P.;A4
【正文语种】:英语