Designation:D1972–97(Reapproved2001)StandardPracticeforGenericMarkingofPlasticProducts1ThisstandardisissuedunderthefixeddesignationD1972;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thispracticecoversasystemforuniformmarkingofproductsthathavebeenfabricatedfrompolymericmaterials.Provisionfortheprocessorprocessestobeusedformarkingisoutsidethescopeofthispractice.NOTE1—Precisedetailsofthemarking,forexample,theminimumsizeoftheitemtobemarked,thesizeofthelettering,andtheappropriatelocationofthemarking,maybethesubjecttoagreementbetweenthemanufacturerandtheuser.1.2Theabbreviatedtermsusedaretoprovidegenericidentificationofthepolymer(s).1.3Thispracticeisespeciallypertinentforusewithdurableplasticcomponentsofproducts.Thispracticeisnotintendedtosupplant,replace,orinanywayinterferewiththerequirementsfoundinlegislationformarkingorlabelingofpackaging.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.NOTE2—Inmanyrespects,thispracticeissimilartoISO11469.2.ReferencedDocuments2.1ASTMStandards:D883TerminologyRelatingtoPlastics2D1600TerminologyforAbbreviatedTermsRelatingtoPlastics2D3935SpecificationforPolycarbonate(PC)UnfilledandReinforcedMaterial3D4000ClassificationSystemforSpecifyingPlasticMate-rials32.2ISOStandards:ISO472:1988,Plastics—Vocabulary4ISO/DIS1043-1:1995,Plastics—SymbolsandAbbreviatedTerms—Part1:BasicPolymersandTheirSpecialChar-acteristics4ISO1043-2:1991Plastics—Symbols—Part2:FillersandReinforcingMaterials4ISO1043-3:1988Plastics—Symbols—Part3:Plasticizers4ISO/DIS1043-4:1996Plastics—Symbols—Part4:FlameRetardants4ISO1087:1990Terminology—Vocabulary4ISO860...
