Designation:D3368−17(Reapproved2022)StandardSpecificationforFEPSheetandFilm1ThisstandardisissuedunderthefixeddesignationD3368;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thisspecificationcoversunfilled,unpigmentedFEPresinsheetandfilmlessthan3.175mm(0.125in.)thick.Recycledmaterialsareallowedinaccordancewith6.2.1.2ThevaluesstatedinSIunitsasdetailedinIEEE/ASTMSI10aretoberegardedasstandardandthepracticesofIEEE/ASTMSI10incorporatedherein.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,Section14,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafety,health,andenvironmentalpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.NOTE1—ThereisnoknownISOequivalenttothisstandard.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D149TestMethodforDielectricBreakdownVoltageandDielectricStrengthofSolidElectricalInsulatingMaterialsatCommercialPowerFrequenciesD374/D374MTestMethodsforThicknessofSolidElectri-calInsulationD618PracticeforConditioningPlasticsforTestingD638TestMethodforTensilePropertiesofPlasticsD792TestMethodsforDensityandSpecificGravity(Rela-tiveDensity)ofPlasticsbyDisplacementD882TestMethodforTensilePropertiesofThinPlasticSheetingD883TerminologyRelatingtoPlasticsD2116SpecificationforFEPResinMoldingandExtrusionMaterialsD3892PracticeforPackaging/Packi...
