Designation:D6585−17(Reapproved2022)StandardSpecificationforUnsinteredPolytetrafluoroethylene(PTFE)ExtrudedFilmorTape1ThisstandardisissuedunderthefixeddesignationD6585;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversunsinteredextrudedfilmsortapesmanufacturedfromvirgin,unpigmentedpolytetrafluoroethylene,innominalthicknessfrom0.025to0.51mm(0.001to0.020in.),whichare≥99%PTFEincomposition.NOTE1—Forunsinteredpigmentedproducts,refertoSpecificationD7193.1.1.1TheuseofrecycledPTFEforproductionofunsinteredextrudedfilmsortapeshasnotbeenidentifiedatthistime.Whencommercialusableprocessesandmaterialsareavailable,thisspecificationwillberevisedtoincluderecycledmaterials.1.2ThevaluesstatedinSIunitsaredetailedinIEEE/ASTMSI-10aretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thefollowingprecautionarystatementpertainsonlytothetestmethodportion,Section8ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafety,health,andenvironmentalpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.NOTE2—AlthoughthisspecificationandISO13000-1andISO13000-2differinapproachordetail,dataobtainedrelatingtospecificproperties,usingeitheraretechnicallyequivalent.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D149TestMethodforDielectricBreakdownVoltageandDielectricStrengthofSolidElectricalInsulatingMaterialsatCommercialPowerFrequ...
