Designation:D3004−08(Reapproved2020)StandardSpecificationforCrosslinkedandThermoplasticExtrudedSemi-Conducting,Conductor,andInsulationShieldingMaterials1ThisstandardisissuedunderthefixeddesignationD3004;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverscrosslinkedandthermoplasticextrudedsemi-conducting,conductor,andinsulationshieldingmaterialsforelectricalwiresandcables.1.2Inmanyinstances,theelectricalpropertiesoftheshieldingmaterialarestronglydependentonprocessingcon-ditions.Forthisreason,inthisspecificationthematerialissampledfromcable.Therefore,testsaredoneonshieldedwireinthisstandardsolelytodeterminetherelevantpropertyoftheshieldingmaterialandnottotesttheconductororcompletedcable.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D257TestMethodsforDCResistanceorConductanceofInsulatingMaterialsD1711TerminologyRelatingtoElectricalInsulationD2647SpecificationforCrosslinkableEthylenePlasticsD3182PracticeforRubber—Materials,Equipment,andPro-ceduresforMixingStandardCompoundsandPreparingStandardVulcanizedSheetsD3183PracticeforRubber—PreparationofPiecesforTestPurposesfromProductsD4496TestMethodforD-CResistanceorConductanceofModeratelyConductiveMaterialsD4703PracticeforCompressionMoldingThermoplasticMaterialsintoTestSpecimens,Plaques,orSheetsD6095TestMethodforLongitudinalMeasurementofVol-umeResistivityforExtrudedCrosslinkedandThermo-plasticSemiconductingConduc...
