Designation:D1764–97AnAmericanStandardApprovedbySocietyofAutomotiveEngineersSAEStandardJ19StandardSpecificationforRubberLatexProductsforAutomotiveApplications1ThisstandardisissuedunderthefixeddesignationD1764;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversdippedgoodsandcoatingsmadefromcompoundedlatex.Productsmanufacturedfromthismaterialincludeboots,coatedclips,coatedspongeparts,andcoatedfabricsforautomotiveapplications.1.2ThecompoundslistedinTable1andTable2aregroupedinclassificationsbasedprimarilyonphysicalproper-ties,whichareprescribedinthetables.Thesevalues,togetherwithanyadditionalrequirementsindicatedbysuffixlettersinthegradedesignationsasdescribedinSection2,definethepropertiesofthecompoundsaftervulcanization.Thesevaluesapplytotestspecimensobtainedfromstandardlaboratory-dippedfilmspreparedinaccordancewithproceduresdescribedintheapplicableASTMmethods.Testresultsfromfinishedproductsmaynotduplicatethevaluesobtainedfromstandardtestfilms.Whendifferencesduetothedifficultyinobtainingsuitabletestspecimensfromthefinishedpartarise,thepurchaserandthesuppliermayagreeonacceptabledeviations.Thiscanbedonebycomparingresultsobtainedonstandardtestfilmswiththoseobtainedonactualparts.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.2.ReferencedDocuments2.1ASTMStandards:D412TestMethodsforVulcanizedRubberandThermo-plasticRubbersandThermoplasticElastomers—Tension2D471TestMethodforRubberProperty—EffectofLiq-uids2D573TestMethodforRubber—DeteriorationinanAirOven2D746TestMethodforBrittlenessTemperatureofPlasticsandElastomersbyImpact3D925TestMethodsforRubberProperty—StainingofSur-faces(Contact,Migration,andDiffusion)2D2240TestMethodforRubberProperty—DurometerHardness2D5964PracticeforRubbe...