Designation:D5132−20StandardTestMethodforHorizontalBurningRateofPolymericMaterialsUsedinOccupantCompartmentsofMotorVehicles1ThisstandardisissuedunderthefixeddesignationD5132;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodisintendedforuseasasmall-scalelaboratoryprocedureforcomparingtherelativehorizontalburningratesofpolymericmaterialsusedinoccupantcom-partmentsofmotorvehicles.1.2Duringthecourseofcombustion,gasesorvapors,orboth,areevolvedthatarepotentiallyhazardoustopersonnel.Adequateprecautionsshallbetakentoprotecttheoperator.1.3Units—ThevaluesstatedinSIunitsaretoberegardedasstandard.1.4Thistestmethod,FederalSafetyStandardMVSS302,SAEJ369,andISO3795addressthesamesubjectmatter,butdifferintechnicalcontent.1.5Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardsorfireriskassessmentofmaterials,products,orassembliesunderactualfireconditions.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection7.1.7Firetestingisinherentlyhazardous.Adequatesafe-guardsforpersonnelandpropertyshallbeemployedinconductingthesetests.NOTE1—ThereisnoknownISOequivalenttothisstandard.1.8Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStanda...
