Designation:D1513−05(Reapproved2017)StandardTestMethodforCarbonBlack,Pelleted—PourDensity1ThisstandardisissuedunderthefixeddesignationD1513;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationofthepourdensityofpelletedcarbonblacks.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1799PracticeforCarbonBlack—SamplingPackagedShipmentsD1900PracticeforCarbonBlack—SamplingBulkShip-mentsD4483PracticeforEvaluatingPrecisionforTestMethodStandardsintheRubberandCarbonBlackManufacturingIndustries3.SummaryofTestMethod3.1Pourdensityisdeterminedbymeasuringthemassofcarbonblackinaknownvolume.4.SignificanceandUse4.1Pourdensityisafunctionofthedegreeofcompactionduringpelletization.Itisstronglyinfluencedbyandinverselyproportionaltostructure(OAN).Pourdensityofcarbonblackisusefulforestimatingtheweight-to-volumerelationshipforcertainapplications,suchasautomaticbatchloadingsystems,andforestimatingweightsofbulkshipments.5.Apparatus5.1CylindricalContainer,1000or624-cm3capacity,hav-ingauniformheightandnopouringlipordeformationofthewall.Astainless...