Designation:D4122−10a(Reapproved2015)StandardPracticeforCarbonBlack—EvaluationofanIndustryReferenceBlack1ThisstandardisissuedunderthefixeddesignationD4122;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThispracticecoversguidelinesfortheproductionandtestingforuniformityofalotofcarbonblacktobeusedasanIndustryReferenceBlack(IRB).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D412TestMethodsforVulcanizedRubberandThermoplas-ticElastomers—TensionD1506TestMethodsforCarbonBlack—AshContentD1508TestMethodforCarbonBlack,PelletedFinesandAttritionD1509TestMethodsforCarbonBlack—HeatingLossD1510TestMethodforCarbonBlack—IodineAdsorptionNumberD1513TestMethodforCarbonBlack,Pelleted—PourDen-sityD1514TestMethodforCarbonBlack—SieveResidueD1618TestMethodforCarbonBlackExtractables—TransmittanceofTolueneExtractD2414TestMethodforCarbonBlack—OilAbsorptionNumber(OAN)D3182PracticeforRubber—Materials,Equipment,andPro-ceduresforMixingStandardCompoundsandPreparingStandardVulcanizedSheetsD3191TestMethodsforCarbonBlackinSBR(Styrene-ButadieneRubber)—RecipeandEvaluationProceduresD3192TestMethodsforCarbonBlackEvaluationinNR(NaturalRubber)D3265TestMethodforCarbonBlack—TintStrengthD3493TestMethodforCarbonBlack—OilAbsorptionNumberofCompressedSample(COAN)D5230TestMethodforCarbonBlack—AutomatedIndi-vidualPelletHardnessD6556TestMethodforCarbonBlack—TotalandExternalSurfaceAreabyNitrogenAdsorption3.SignificanceandUse3.1Theseguidelinesareinten...
