Designation:D2226−93(Reapproved2012)StandardClassificationforVariousTypesofPetroleumOilsforRubberCompoundingUse1ThisstandardisissuedunderthefixeddesignationD2226;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisclassificationisintendedtoestablishclassificationandtestmethodsforcertaintypesofoilusedinextendingandprocessingstyrene-butadienerubbers(SBR)andbutadienerubbers(BR).Itspurposeisforclassificationonlyandnotforspecification.1.2Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D88TestMethodforSayboltViscosityD92TestMethodforFlashandFirePointsbyClevelandOpenCupTesterD97TestMethodforPourPointofPetroleumProductsD445TestMethodforKinematicViscosityofTransparentandOpaqueLiquids(andCalculationofDynamicViscos-ity)D611TestMethodsforAnilinePointandMixedAnilinePointofPetroleumProductsandHydrocarbonSolventsD972TestMethodforEvaporationLossofLubricatingGreasesandOilsD974TestMethodforAcidandBaseNumberbyColor-IndicatorTitrationD1298TestMethodforDensity,RelativeDensity(SpecificGravity),orAPIGravityofCrudePetroleumandLiquidPetroleumProductsbyHydrometerMethodD1500TestMethodforASTMColorofPetroleumProducts(ASTMColorScale)D2007TestMethodforCharacteristicGroupsinRubberExtenderandProcessingOilsandOtherPetroleum-DerivedOilsbytheClay-GelAbsorptionChromato-graphicMethodD2008TestMethodforUltravioletAbsorbanceandAbsorp-tivityofPetroleumProductsD2501TestMethodforCalculationofViscosity-GravityConstant(VGC)ofPetroleumOilsD2887TestMethodforBoilingRangeDistributionofPe-troleumFractionsbyGa...