Designation:E136−16aAnAmericanNationalStandardStandardTestMethodforBehaviorofMaterialsinaVerticalTubeFurnaceat750°C1ThisstandardisissuedunderthefixeddesignationE136;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisfire-test-responsetestmethodcoversthedetermi-nationunderspecifiedlaboratoryconditionsofcombustioncharacteristicsofbuildingmaterials.1.2Limitationsofthisfire-testresponsetestmethodareshownbelow.1.2.1Thistestmethoddoesnotapplytolaminatedorcoatedmaterials.1.2.2Thistestmethodisnotsuitableorsatisfactoryformaterialsthatsoften,flow,melt,intumesceorotherwiseseparatefromthemeasuringthermocouple.1.2.3Thistestmethoddoesnotprovideameasureofanintrinsicproperty.1.2.4Thistestmethoddoesnotprovideaquantitativemeasureofheatgenerationorcombustibility;itsimplyservesasatestmethodwithselected(endpoint)measuresofcombustibility.1.2.5Thetestmethoddoesnotmeasuretheself-heatingtendenciesofmaterials.1.2.6Inthistestmethodmaterialsarenotbeingtestedinthenatureandformusedinbuildingapplications.Thetestspeci-menconsistsofasmall,specifiedvolumethatiseither(1)cutfromathicksheet;(2)assembledfrommultiplethicknessesofthinsheets;or(3)placedinacontainerifcomposedofgranularpowderorloose-fibermaterials.1.2.7Resultsfromthistestmethodapplytothespecifictestapparatusandtestconditionsandarelikelytovarywhenchangesaremadetooneormoreofthefollowing:(1)thesize,shape,andarrangementofthespecimen;(2)thedistributionoforganiccontent;(3)theexposuretemperature;(4)theairsupply;(5)thelocationofthermocouples.1.3Thistestmethodincludestwooptions,bothofwhichuseafurnacetoexposetestspecimensofbuildingmaterialstoatemperatureof750°C(1382°F).1.3.1ThefurnacefortheapparatusforOptionAconsistsofaceramictubecontaininganelectricheating...