Designation:D8195−18StandardClassificationSystemandBasisforSpecificationforPolyethyleneTerephthalateFilmandSheeting1ThisstandardisissuedunderthefixeddesignationD8195;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisstandardprovidesaclassificationsystemfortabu-latingthepropertiesforbiaxiallyorientedpolyethylenete-rephthalatefilmandsheetinginthicknessesfrom1.5µmto355µm.Forthisclassificationsystem,polyethyleneterephthalatefilmandsheetingshallbedefinedasthematerialderivedfromterephthalicacidandethyleneglycolandshallconsistofatleast90%polyethyleneterephthalatehomopolymerwithatypicalmeltingtemperaturerangeof225°Cto250°C.Thisspecificationdoesnotapplytocoated,coextruded,tinted,pigmented,ormetallizedfilmorsheeting.Thisclassification(inaccordancewithD8065/D8065M)isintendedtoeventuallyreplaceSpecificationD5047(ref.Note3).NOTE1—FilmisdefinedinTerminologyD883asanoptionaltermforsheetinghavinganominalthicknessnogreaterthan250µm.NOTE2—InordertoconformtotheoriginalscopeofSpecificationD5047,thisclassificationalsoincludessheetinguptoandincludingthicknessesof355µm.NOTE3—ItisstronglyrecommendedthatthisclassificationsystembeusedforallnewapplicationsandspecificationsandthatthespecificationoffilmsreferencingSpecificationD5047beexpeditiouslywithdrawnorconvertedtothisclassificationsystem.1.2Polyethyleneterephthalatematerials,beingthermoplastic,arereprocessableandrecyclable.Thisspecifi-cationallowsfortheuseofthosepolyethyleneterephthalateplasticmaterials,providedthatanyspecificrequirementsasgovernedbytheproducerandenduseraremet.1.3InallcaseswheretheprovisionsofthisclassificationsystemwouldconflictwithacurrentlyreferencedASTMspecificationforaparticularfilmproduct,thelattershalltakeprecedence(seeNote3).1.4Thisclassificationsystemappliestocommercialprod-uctsand,ass...