ASTM E1740-2010 使用锥形量热计测定墙面材料以及天花板覆盖复合材料的放热规律以及其他火灾-试验-反应特性的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminingtheHeatReleaseRateandOtherFire-Test-ResponseCharacteristicsofWallCoveringorCeilingCoveringCompositesUsingaConeCalorimeter
【原文标准名称】:使用锥形量热计测定墙面材料以及天花板覆盖复合材料的放热规律以及其他火灾-试验-反应特性的标准试验方法
【标准号】:ASTME1740-2010
【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】:E05.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:calorimeter;ceilingcovering;fire;fire-testresponse;heatrelease;ignition;oxygenconsumption;smallscale;wallcovering;Wallcoveringmaterials/applications;Ignition--buildingmaterials;Laminates(adhesiveapplications);Adhesives;Calorimeter;
【摘要】:Thistestmethodisusedtodeterminethetimetosustainedflamingandheatreleaseofmaterialsandcompositesexposedtoaprescribedinitialtestheatfluxintheconecalorimeterapparatus.Quantitativeheatreleasemeasurementsprovideinformationthatcanbeusedtocomparewallorceilingcoveringsandconstructionsandforinputtofiremodels.Heatreleasemeasurementsprovideusefulinformationforproductdevelopmentbygivingaquantitativemeasureofspecificchangesinfireperformancecausedbycomponentandcompositemodifications.Heatreleasedataobtainedbythistestmethodwillbeinappropriateiftheproductwillnotspreadflameoveritssurfaceunderthefireexposureconditionsofinterest.Variationsinsubstrates,mountingmethods,andadhesivesusedtolaminatecompositeproductswillpotentiallyaffectthetestresponses.Thesevariablesmustbecontrolledduringanycomparativeexperiments.TestLimitations8212;Thetestdataareinvalidifanyofthefollowingoccur:Explosivespalling,Thespecimenswellssufficientlypriortoignitiontotouchthesparkplugorswellsuptotheplaneoftheheaterbaseduringcombustion,orThesurfacelaminaterollsorcurlswhenplacedundertheradiantheater.Thespecimensaresubjectedtooneormorespecificsetsoflaboratoryconditionsinthisprocedure.Ifdifferenttestconditionsaresubstitutedortheend-useconditionsarechanged,itisnotalwayspossiblebyorfromthistesttopredictchangesinthefire-test-responsecharacteristicsmeasured.Theresultsarethereforevalidonlyforthefiretestexposureconditionsdescribedinthisprocedure.1.1Thisfire-test-responsetestmethodcoversdeterminationoftheignitabilityandheatreleaserateofcompositesconsistingofawallcoveringorceilingcovering,asubstrate,andalllaminatingadhesives,coatings,andfinishes.Heatreleaseinformationcannotbeusedalonetoevaluatetheflammabilityofwallcoveringsorceilingcoverings.Thedataareintendedtobeusedformodelingorwithotherdatatoevaluateamaterial.1.2Thistestmethodprovidesformeasurementofthetimetosustainedflaming,heatreleaserate,peakandtotalheatrelease,andeffectiveheatofcombustionataconstantinitialtestheatfluxof35kW/m2.Heatreleasedataatdifferentheatfluxesarealsoobtainedbythistestmethod.Thespecimenisorientedhorizontally,andasparkignitionsourceisused.1.3Thefire-test-responsecharacteristicsaredeterminedusingtheapparatusandproceduresdescribedinTestMethodE1354.1.4Thetestsareconductedonbench-scalespecimenscombiningthecomponentsusedintheactualinstallation.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.See.1.6Firetestingofproductsandmaterialsisinherentlyhazardous,andadequatesafeguardsforpersonnelandpropertyshallbeusedinconductingthesetests.Thistestmethodpotentiallyinvolveshazardousmaterials,operations,andequipment.1.7Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.1.8Firetestingofproductsandmaterialsisinherentlyhazardous,andadequatesafeguardsforpersonnelandpropertyshall......
【中国标准分类号】:P16
【国际标准分类号】:13_220_50
【页数】:11P.;A4
【正文语种】:英语