【英文标准名称】:StandardPracticeforConfirmationof20-mm(50-W)and125-mm(500-W)TestFlamesforSmall-ScaleBurningTestsonPlasticMaterials
【原文标准名称】:确定塑料材料上小规模燃烧试验用20mm(50W)和125mm(500W)试验火焰的标准实施规范
【标准号】:ASTMD5207-2003
【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】:(Practice)
【标准水平】:()
【中文主题词】:校正;火焰;可燃性试验;塑料
【英文主题词】:confirmation;flammability;laboratoryburner;small-scaleburningtests;testflames
【摘要】:Theflameheightandcolor(indicativeofair-to-gasratio)foratestflamehavetraditionallybeenspecifiedintheindividualtestmethod.Theenergycontentoftheflamehasalsobeenaddressedbyreferencetoaspecificsupplygas.Ithasbeendeterminedthatthesupply-gasbackpressureandflowratecanbevariedwithoutaffectingtheheightandcoloroftheflame.However,theenergycontentoftheflameisaffected.Thispracticeprovidesthebackpressureandflowrateofthesupplygasfora20-mm(50x2013;W)anda125-mm(500x2013;W)testflame,andaprocedureforconfirmingtheheat-fluxprofileofthetestflame.Informationisprovidedfortestflamesusingmethane,propane,orbutane.Usingthisinformation,thesesupplygasescanbeusedinterchangeablywithastandardizedburnertoproduceessentiallythesametestflame.1.1Thispracticecoverstheconfirmationoftestflamesforsmall-scaleburningtestsonplasticmaterialsusingthelaboratoryburnerdescribedinSpecificationD5025.Backpressuresandflowratesformethane,propane,andbutanesupplygasesaregivenforspecifictestflames.Thispracticedescribesaproceduretoconfirmtheheatevolutionofthetestflame.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandardshouldbeusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditionsandshouldnotbeusedtodescribeorappraisethefire-hazardorfire-riskofmaterials,products,orassembliesunderactualfireconditions.Results,however,ofthetestmaybeusedaselementsofafire-hazardassessmentorafire-riskassessment,whichtakesintoaccountallofthefactors,whicharepertinenttoanassessmentofthefirehazardorfireriskofaparticularenduse.Note18212;ThereisnosimilarISOstandard.Thispracticeisequivalentintechnicalcontentto,butnotfullycorrespondinginpresentationwith,theconfirmatoryproceduresofIEC/TS60695-11-3,MethodAandIEC/TS60695-11-4,MethodA.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】: