Designation:D1603−20StandardTestMethodforCarbonBlackContentinOlefinPlastics1ThisstandardisissuedunderthefixeddesignationD1603;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thistestmethodcoversthedeterminationofthecarbonblackcontentinpolyethylene,polypropylene,andpolybuty-leneplastics.Itsusewithacrylicorotherpolarmonomermodificationswhichmightaffecttheaccuracyisnotrecom-mended.Determinationsofcarbonblackcontentaremadegravimetricallyafterpyrolysisofthesampleundernitrogen.Thistestmethodisnotapplicabletocompositionsthatcontainnonvolatilepigmentsorfillersotherthancarbonblack.1.1.1Thistestmethodisnotapplicabletomaterialscon-tainingbrominatedflameretardantadditivesattheend.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesinparenthesesaregivenforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.NOTE1—ThisstandardandISO6964-1986(E)addressthesamesubjectmatter,butdifferintechnicalcontent.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D883TerminologyRelatingtoPlasticsD4218TestMethodforDeterminationofCarbonBlackContentinPolyethyleneCompoundsBytheMuffle-FurnaceTechniqueE456TerminologyRelatingtoQualityandStatisticsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisiono...
