Designation:C559−16AnAmericanNationalStandardStandardTestMethodforBulkDensitybyPhysicalMeasurementsofManufacturedCarbonandGraphiteArticles1ThisstandardisissuedunderthefixeddesignationC559;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationofthebulkdensityofmanufacturedarticlesofcarbonandgraphiteofatleast500mm3volume.Thebulkdensityiscalculatedtoanaccuracyof0.25%,usingmeasurementsofmassanddimen-sionsinairat25°C65°C.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2IEEE/ASTMSI-10StandardforUseoftheInternationalSystemofUnits(SI)(theModernMetricSystem)3.Terminology3.1Definitions:3.1.1bulkdensity,n—incarbonandgraphitetechnology,themassofaunitvolumeofmaterialincludingbothpermeableandimpermeablevoids(andboroncompoundsinthecaseofboronatedcarbonorboronatedgraphite)presentinthematerialatroomtemperature.4.SignificanceandUse4.1Bulkdensityasdeterminedbythistestmethodisabasicmaterialpropertyofimportanceinmanufacturingandapplica-tionofcarbonandgraphite.4.2Thistestmethodcanbeusedforqualityandprocesscontrol,materialcharacterizationanddescription,andotherpurposes.5.PreparationofTestSpecimens5.1Machinetestspecimensfromthemanufacturedarticleintheformofarectangularparallelepipedorarightcircularcylinder.Theminimummassofthespecimenshallbe2000timesthesensitivityofthebalanceusedtoweighthespecimen,andthevolumeofthespecimenshallnotbelessthan500mm3.Theminimumdimensionofthespecimenshallbethelargerof:5.1.1Tentime...
