搜索
SAETechnicalStandardsBoardRulesprovidethat:“ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineeringsciences.Theuseofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmaybereaffirmed,revised,orcancelled.SAEinvitesyourwrittencommentsandsuggestions.TOPLACEADOCUMENTORDER;(724)776-4970FAX:(724)776-0790SAEWEBADDRESS—TheoriginalversionofthisSAERecommendedPracticewaspreparedjointlybytheSocietyofAutomotiveEngineersandtheAmericanSocietyforTestingandMaterialsandborethedesignationSAEJ200/ANSI/ASTMD2000.ThisdocumentsupersededandreplacedSAEJ14/ASTMD735andwasintendedtobeusedasasourceofmaterialquality“linecall-out”specificationsonprocurementdocumentsanddrawings.ThisRecommendedPracticeisnowunderthesolejurisdictionoftheSAECommitteeonAutomotiveRubberSpecificationsandbearsthedesignationSAEJ200.Thisdocumentisbasedonbasicphysicalpropertiesofrubbermaterialsobtaineddirectlyfromstandardcompressionmoldedtestspecimens.Testspecimensmaybefashionedfromfinishedproductsorbyalternatemethods.However,testspecimenssopreparedmaybeaffectedbyformingoftheproductorsampleand/orbyshapingthemfortesting.Therefore,testresultspreparedfromfinishedproductsorbyalternatemethodsmaynotduplicatevaluesobtainedfromstandardtestspecimens.1.Scope—Thisclassificationsystemtabulatesthepropertiesofvulcanizedrubbermaterials(naturalrubber,reclaimedrubber,syntheticrubbers,aloneorincombination)thatareintendedfor,butnotlimitedto,useinrubberproductsforautomotiveapplications.NOTE1—TheSAECommitteonAutomotiveRubberSpecifications(CARS)hasthesoleresponsibilityforSAEJ200.CARSWorkscloselywithandreceivesinputfromASTMSubcommitteeD11.30onClassificationofRubberCompoundswiththegoaltokeepSAEJ200andASTMD2000technicallyequivalent.CandidatematerialspresentedfordevelopmentofnewtablesorforinclusioninTablesA1orA2ofSAEJ200orTableX1.1ofASTMD2000shallbeinitiatedwiththeSAECARSCommittee.TheproceduretobefollowedisdetailedinAppendixCofSAEJ200.NOTE2—ThisdocumentmayservemanyoftheneedsofotherindustriesinmuchthesamemannerasSAEnumberedsteels.Itmustberemembered,however,thatthissystemissubjecttorevisionwhenrequiredbyautomotiveneeds.Itisrecommendedthatthelatestrevisionalwaysbeused.Thisdocumentisbasedonthepremisethatallrubbermaterialsintendedforuseinrubberproductscanbearrangedintocharacteristicdesignations.Thesedesignationsaredeterminedbytypes,basedonresistancetoheataging,andclasses,basedonresistancetoswellingbyoil.Basiclevelsarethusestablishedwhich,togetherwithvaluesdescribingadditionalrequirements,permitcompletedescriptionofthequalityofallrubbermaterials.Inallcaseswhereprovisionsofthisdocumentwouldconflictwiththoseofthedetailedspecificationsforaparticularproduct,thelattershalltakeprecedence.SAEJ200RevisedDEC2001-2-NOTE3—Whentherubberproductistobeusedforpurposeswheretherequirementsaretoospecifictobecompletelyprescribedbythisclassificationsystem,itisnecessaryforthepurchasertoconsultthesupplierinadvancetoestablishtheappropriateproperties,testmethods,andspecificationtestlimits.1.1Purpose1.1.1Thepurposeofthisdocumentistoprovideguidancetotheengineerintheselectionofpractical,commerciallyavailablerubbermaterials,andfurthertoprovideamethodforspecifyingthesematerialsbytheuseofasimplelinecall-outdesignation.1.1.2Thisdocumentwasdevelopedtopermittheadditionofdescriptivevaluesforfuturerubbermaterialswithoutcompletereorganizationoftheclassificationsystemandtofacilitatetheincorporationoffuturenewmethodsoftesttokeeppacewithchangingindustryrequirements.2.References2.1ApplicablePublications—Thefollowingpublicationsformapartofthisspecificationtotheextentspecifiedherein.2.1.1ASTMPUBLICATIONS—AvailablefromASTM,100BarrHarborDrive,WestConshohocken,PA19428-2959.ASTMD395—TestMethodsforRubberProperty-CompressionTestASTMD412—TestMethodsforRubberPropertiesinTensionASTMD429—TestMethodsforRubberProperty—AdhesiontoRigidSubstratesASTMD430—TestMethodsforRubberDeterioration-DynamicFatigueASTMD471—TestMethodsforRubberProperty-EffectofLiquidsASTMD573—TestMethodsforRubberDeteriorationinanAirOvenASTMD575—TestMethodsforRubberPropertiesinCompressionASTMD624—TestMethodsforRubberProperty-TearResistanceASTMD865—TestMethodsforRubberDeteriorationbyHeatinginAir(TestTubeEnclosure)ASTMD925—TestMethodsforRubberProperty-StainingofSurfaces(Contact,Migration,andDiffusion)ASTMD945—TestMethodsforRubberPropertiesinCompressionorShear(MechanicalOscillograph)ASTMD1053—TestMethodforRubberProperty—StiffeningatLowTemperature;FlexiblePolymersandCoatedFabricsASTMD1171—TestMethodforRubberDeterioration—SurfaceOzoneCrackingOutdoorsorChamber(TriangularSpecimens)ASTMD1329—TestMethodforEvaluatingRubberProperty—