Designation:D1972–97(Reapproved2005)StandardPracticeforGenericMarkingofPlasticProducts1ThisstandardisissuedunderthefixeddesignationD1972;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thispracticecoversasystemforuniformmarkingofproductsthathavebeenfabricatedfrompolymericmaterials.Provisionfortheprocessorprocessestobeusedformarkingisoutsidethescopeofthispractice.NOTE1—Precisedetailsofthemarking,forexample,theminimumsizeoftheitemtobemarked,thesizeofthelettering,andtheappropriatelocationofthemarking,maybesubjecttoagreementbetweenthemanufacturerandtheuser.1.2Theabbreviatedtermsusedaretoprovidegenericidentificationofthepolymer(s).1.3Thispracticeisespeciallypertinentforusewithdurableplasticcomponentsofproducts.Thispracticeisnotintendedtosupplant,replace,orinanywayinterferewiththerequirementsfoundinlegislationformarkingorlabelingofpackaging.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.NOTE2—Inmanyrespects,thispracticeissimilartoISO11469.2.ReferencedDocuments2.1ASTMStandards:2D883TerminologyRelatingtoPlasticsD1600TerminologyforAbbreviatedTermsRelatingtoPlasticsD3935SpecificationforPolycarbonate(PC)UnfilledandReinforcedMaterialD4000ClassificationSystemforSpecifyingPlasticMate-rials2.2ISOStandards:3ISO/DIS1043-1Plastics—SymbolsandAbbreviatedTerms—Part1:BasicPolymersandTheirSpecialChar-acteristicsISO1043-2Plastics—Symbols—Part2:FillersandRein-forcingMaterialsISO1043-3Plastics—Symbols—Part3:PlasticizersISO/DIS1043-41996Plastics—Symbols—Part4:FlameRetardantsISO1087Terminology—VocabularyISO8604Plastics—Prepregs—DefinitionofTermsandSymbolsforDesignationsI...
