Designation:D2067−97(Reapproved2020)StandardTestMethodforCoarseParticlesinPrintingInkDispersions1ThisstandardisissuedunderthefixeddesignationD2067;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftheweightconcentrationofcoarseparticlesinprintinginkdispersionsbysieveretention.1.2Thistestmethodisapplicabletoprintinginks,flushedpigments,andotherpigmentdispersionsthatcontainparticleslargerthan45µm.Withproperchoiceofsolvent,itisapplicablebothtopasteandliquidinks.NOTE1—ThistestmethodissimilarinprincipletoTestMethodsD185.Forparticlesunder25µm,seeTestMethodD1316.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D185TestMethodsforCoarseParticlesinPigmentsD235SpecificationforMineralSpirits(PetroleumSpirits)(HydrocarbonDryCleaningSolvent)D1316TestMethodforFinenessofGrindofPrintingInksBytheNPIRIGrindometerE11SpecificationforWovenWireTestSieveClothandTestSievesE145SpecificationforGravity-ConvectionandForced-VentilationOvensE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod3.SummaryofTestMethod3.1A50-gspecimenofthetestdispersionisdiluted,ifnecessary,withareducingvar...