Designation:D4963/D4963M−22StandardTestMethodforIgnitionLossofGlassFiberStrandsandFabrics1ThisstandardisissuedunderthefixeddesignationD4963/D4963M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversprimarilythedeterminationofignitionlossofglassfibertextiles.Thismethodappliestoglassfiberstrands,twistedoruntwisted,coatedoruncoated;andfabrics,woven,nonwoven,knitted,coated,anduncoated,andchoppedstrand.Thisproceduremaybeappliedtootherglasstextileswheretheamountoforganiccontentobtainedbyignitionlossisrequired.NOTE1—Thistestmethodmaybeusedwithotherglassfiberclassifications,suchasCorD,butadifferentignitiontemperatureandexposuretimemayberequired.Inthesecasesthemanufacturershouldbeconsultedfortheappropriateignitionconditions.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemarenotnecessarilyexactequivalents;therefore,toensureconformancewiththestandard,eachsystemshallbeusedindependentlyoftheother,andvaluesfromthetwosystemsshallnotbecombined.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD578SpecificationforGlassFiberStrandsD7018TerminologyRelatingtoGlassFiberandItsProducts3.Terminology3.1Definitions—Forallterminologyrelat...
