Designation:D3022−84(Reapproved2011)StandardTestMethodforColorandStrengthofColorPigmentsbyUseofaMiniatureSandmill1ThisstandardisissuedunderthefixeddesignationD3022;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedetermination,throughtheuseofaminiaturesandmill,ofthecolorandstrengthofdrycolorpigments.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection6.2.ReferencedDocuments2.1ASTMStandards:2C778SpecificationforSandD235SpecificationforMineralSpirits(PetroleumSpirits)(HydrocarbonDryCleaningSolvent)D523TestMethodforSpecularGlossD2244PracticeforCalculationofColorTolerancesandColorDifferencesfromInstrumentallyMeasuredColorCoordinatesE97MethodofTestforDirectionalReflectanceFactor,45-Deg0-Deg,ofOpaqueSpecimensbyBroad-BandFilterReflectometry(Withdrawn1991)3E308PracticeforComputingtheColorsofObjectsbyUsingtheCIESystem2.2FederalSpecification:4TT-R-266Resin,Alkyd;Solutions2.3ASTMAdjuncts:Miniaturesandmill53.SignificanceandUse3.1Thistestmethodisawayoftestingthecolorandstrengthofpigmentsbyuseofaminiaturesandmill.Itcorrelateswellwithindustrialpracticeandisusedforroutinequalitycontrol.4.Apparatus4.1Balance,sensitiveto10mgwithacapacityinexcessof300g.4.2MiniatureSandmill—Alaboratorydisperserequippedwitha41-mm(15⁄8-in.)diameterfiberrotarydiskimpellerrotatingataconstant8000r/minundervaryingloadcondi-tions.Theshaftuponwhichtheimpellerismountedshallbesufficientlybalancedsonowhipoftheshaftisobservedbetween0and10000r/mi...
