Designation:D4804−20StandardTestMethodforDeterminingtheFlammabilityCharacteristicsofNonrigidSolidPlastics1ThisstandardisissuedunderthefixeddesignationD4804;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisfire-test-responsetestmethodsdescribesmall-scalelaboratoryproceduresfordeterminingthecomparativeburningcharacteristicsofsolidplasticmaterialsthat,duetospecimenthinnessandnonrigidity,distort,shrink,and/orareconsumeduptoholdingclampwhentestedusingTestMethodD3801.Aflameisappliedtothebaseofspecimensheldinaverticalpositionandtheextinguishingtimesaredetermineduponremovalofthetestflame.1.2TheclassificationsystemdescribedinAppendixX1isintendedforqualityassuranceandthepreselectionofcompo-nentmaterialsforproducts.1.3Thisstandardmeasuresanddescribestheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.NOTE1—ThisstandardisequivalenttoISO9773,IEC60695-11-10,andUL94(Section11).NOTE2—Forrateofburningofnonrigidsolidplasticsinahorizontalposition,formerlyTestMethodBofthistestmethod,seeTestMethodD635.1.4Thistestmethodisnotintendedtocoverplasticswhenusedasmaterialsforbuildingconstructionorfinishing.1.5Firetestingisinherentlyhazardous.Adequatesafe-guardsforpersonnelandpropertyshallbeemployedinconductingthesetests.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,see6.1.1.1.7Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciples...
