Designation:D3192−09(Reapproved2019)StandardTestMethodsforCarbonBlackEvaluationinNR(NaturalRubber)1ThisstandardisissuedunderthefixeddesignationD3192;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscoverthestandardmaterials,testformulation,mixingprocedure,andtestmethodsfortheevaluationandproductioncontrolofcarbonblacksinnaturalrubber(NR).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D412TestMethodsforVulcanizedRubberandThermoplas-ticElastomers—TensionD1799PracticeforCarbonBlack—SamplingPackagedShipmentsD1900PracticeforCarbonBlack—SamplingBulkShip-mentsD2084TestMethodforRubberProperty—VulcanizationUsingOscillatingDiskCureMeterD3182PracticeforRubber—Materials,Equipment,andPro-ceduresforMixingStandardCompoundsandPreparingStandardVulcanizedSheetsD4483PracticeforEvaluatingPrecisionforTestMethodStandardsintheRubberandCarbonBlackManufacturingIndustries3.SignificanceandUse3.1Themajorportionofcarbonblackconsumedbytherubberindustryisusedtoimprovethephysicalproperties,lifeexpectancy,andutilityofrubberproducts.Thesetestmethodsprovideanaturalrubberformulationanddirectionsforevalu-atingcarbonblackintendedforuseinrubber...
