Designation:D7680−10(Reapproved2020)StandardPracticeforPreparingPrintsofPastePrintingInksbyaMotor-DrivenPrintabilityTester1ThisstandardisissuedunderthefixeddesignationD7680;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticedescribestheprocedureforpreparinglaboratoryprintsofpasteprintinginksusingamotor-drivenprintabilitytester.1.2Thispracticecoversprintabilitytestersoffourdifferentdesigns,referredtoasTesterA,B,C,andD.Thesetestersfeature“push-button”controlofprintingspeedandpressureandfacilitatemeasurementofexactinkfilmthickness.1.3Thispracticeisintendedprimarilyforlithographicandletterpressinksthatdrybyoxidationorpenetration.Withappropriatedryingorcuringequipment,itisalsoapplicabletoothersystemssuchasheat-setorenergycurable.1.4Thispracticeisapplicabletothepreparationofsingle-colorsolid-areaprintsbydryoffset(alsoknowasletterset)orbyletterpressonanyflatsurfaceincludingpaper,paperboard,plasticfilm,textiles,andmetal.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theonlyotherunitofmeasurementusedisfpm.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.7Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D528TestMethodforMachineDirectionofPaperandPaperboard(Withdrawn2010)3D1475TestMethodforDensityofLiquidCoatings,Inks,andRelatedProductsD5039TestMethodsforIdentificat...