Designation:D5205−10StandardClassificationSystemandBasisforSpecificationforPolyetherimide(PEI)Materials1ThisstandardisissuedunderthefixeddesignationD5205;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisclassificationsystemcoversunfilled,filled,andreinforcedpolyetherimidematerialssuitableforinjectionmoldingandextrusion.1.2Thisclassificationsystemisnotintendedfortheselec-tionofmaterials,butonlyasameanstocalloutplasticmaterialstobeusedforthemanufactureofparts.Theselectionofthesematerialsistobemadebypersonnelwithexpertiseintheplasticsfieldwheretheenvironment,inherentpropertiesofthematerials,performanceoftheparts,partdesign,manufac-turingprocess,andeconomicsareconsidered.1.3Thepropertiesincludedinthisclassificationsystemarethoserequiredtoidentifythecompositionscovered.OtherrequirementsnecessarytoidentifyparticularcharacteristicsimportanttospecializedapplicationsaretobespecifiedbyusingthesuffixesasgiveninSection5.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.1.5Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportion,Section12,ofthisclassificationsystem:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninNote5.NOTE1—ThereisnoknownISOequivalenttothisstandard.2.ReferencedDocuments2.1ASTMStandards:2D149TestMethodforDielectricBreakdownVoltageandDielectricStrengthofSolidElectricalInsulatingMaterialsatCommercialPowerFrequenciesD150TestMethodsforACLossCharacteristicsandPermit-tivity(DielectricConstant)ofSolidElectricalInsulationD257TestMethodsforDCR...
