Designation:D7293−19StandardSpecificationforExtrudedandCompression-MoldedShapesMadefromPolyetherimide(PEI)1ThisstandardisissuedunderthefixeddesignationD7293;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONThisspecificationisintendedtobeameansofcallingoutplasticshapesusedinthefabricationofenditemsorparts.1.Scope*1.1Thisspecificationcoversrequirementsandtestmethodsforthedimensions,workmanship,andthepropertiesofex-trudedandcompression-moldedsheet,plate,rodandtubularbarmanufacturedfrompolyetherimide(PEI)resins.1.2Thepropertiesincludedinthisspecificationarethoserequiredforthecompositionscovered.Itispossiblethatotherrequirementswillbenecessarytoidentifyparticularcharacter-isticsimportanttospecializedapplications.TheseshallbespecifiedbyusingthesuffixesasgiveninSection5.1.3Thisspecificationdoesnotallowfortheuseofrecycledplastics(asdefinedinGuideD7209).1.4ThevaluesstatedinEnglishunitsareregardedasstandardinallpropertyanddimensionaltables.Forreferencepurposes,SIunitsarealsoincludedinTable1andTableS-PEI.1.5Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodortestmethodsdescribedinthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafety,health,andenvironmentalpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.NOTE1—ThereisnoknownISOequivalenttothisstandard.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D256TestMethodsforDeterminingtheIzodPen...
