Designation:D1509−15StandardTestMethodsforCarbonBlack—HeatingLoss1ThisstandardisissuedunderthefixeddesignationD1509;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thesetestmethodscoverthedeterminationoftheheatinglossofcarbonblackat125°C.Thisheatinglossconsistsprimarilyofmoisture,butothervolatilematerialsmayalsobelost.Thesetestmethodsarenotapplicabletotreatedcarbonblacksthatcontainaddedvolatilematerials,ifmoisturelossistobemeasured.1.2Thesetestmethodsmayalsobeusedforthedetermi-nationoftheheatinglossofrecoveredcarbonfillers(rCF/rCB)at125°C.However,thesematerialswerenotincludedintheprecisionstudiesandtherefore,theprecisionstatementscon-tainedinthisstandardmaynotbevalidforthesematerials.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1799PracticeforCarbonBlack—SamplingPackagedShipmentsD1900PracticeforCarbonBlack—SamplingBulkShip-mentsD4483PracticeforEvaluatingPrecisionforTestMethodStandardsintheRubberandCarbonBlackManufacturingIndustries3.SummaryofTestMethod3.1Acarbonblacksampleisweighedbeforeandafterheatingfor1hat125°C.Theobserveddifferenceinmassistheheatingloss.4.SignificanceandUse4.1Inadditiontodeterminingtheheatingloss(primarilymoisturecontent)ofcarbonblack,thesedryingconditionsareusedtopreparesamplespriortoperformingothercarbonblacktests.4.2Whenlargersamplesarepreparedforothertests,useanopenvesselofsuitabledimensionssothatthedepthoftheb...