Designation:D3308−12(Reapproved2022)StandardSpecificationforPTFEResinSkivedTape1ThisstandardisissuedunderthefixeddesignationD3308;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thisspecificationcoversskivedtapeinthicknessesfrom0.013to6.35mm(0.0005to0.250in.)manufacturedbyskiving(Note1)fromPTFEresinmoldingandextrusionmaterials.NOTE1—Skivingistheprocessofcontinuouslyshavingafilmonalathefromtheoutersurfacetothecoreofamoldedcylindricaltubeofmaterial.NOTE2—AbbreviationshavebeenapprovedfromTerminologyD1600.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinforma-tiononly.1.3Thefollowinghazardcaveatpertainsonlytothetestmethodportion,Section8,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafety,health,andenviron-mentalpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.NOTE3—ThisspecificationandISO13000-1andISO13000-2differinapproachordetail,anddataobtainedusingeithermaynotbetechnicallyequivalent.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D149TestMethodforDielectricBreakdownVoltageandDielectricStrengthofSolidElectricalInsulatingMaterialsatCommercialPowerFrequenciesD374TestMethodsforThicknessofSolidElectricalInsu-lation(Metric)D0374_D0374MD618PracticeforConditioningPlasticsforTestingD638TestMethodforTensilePropertiesofPl...
