Designation:D6073−08a(Reapproved2020)StandardTestMethodforRelativeSettingofHeatsetPrintingInks1ThisstandardisissuedunderthefixeddesignationD6073;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethoddescribestheprocedurefordetermin-ingtherelativesettingspeedofheatsetinksusingatesterconsistingofaforcedhotairovenandprintdeliverysystem.1.2Thistestmethodisapplicabletoprintinginksintendedtobedriedbytheapplicationofheatandforwhichasuitablereferencestandardisavailable.1.3Althoughheatsetinksarenormallyprintedbytheoffsetprocess,thistestmethodspecifiesthedirectletterpressmodebecausethehigherinkfilmthicknessesobtainedtendtoamplifysubtledifferencesininksettingspeed.Printsarepreparedbyaflatbedprintingapparatususingaconstantdepthprintinggage.1.4Thistesterreadstemperatureandbeltspeedinnonmet-ricterms;therefore,instrumentsettingsinthistestmethodarestatedfirstinU.S.CustomaryUnits(inchpoundunitsofmeasurements).Thevaluesgiveninparenthesesareforinfor-mationonly.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.7Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D6846PracticeforPreparingPrintsofPastePrintingIn...
