Designation:D7189−12(Reapproved2020)StandardTestMethodforRelativeMileageofNewsInkonNewsprint1ThisstandardisissuedunderthefixeddesignationD7189;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthelaboratoryprocedurefordeterminingtherelativemileageofnewsinksonnewsprint.Thetestmethodutilizesaproofingpress,analyticalbalanceandareflectiondensitometer.1.2Thistestmethodisintendedforblackoil-basednewsinksthatdrybypenetration(thatis,letterpressorweboffset)andforwhichasuitablereferencestandardisavailable.Withappropriateopticalinstrumentation,itisalsoapplicabletocolorednewsinks.1.3Thistestmethodmayalsobeusedtodeterminetherelativeinkreceptivityoftestnewsprintsversusareferencestandard.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D528TestMethodforMachineDirectionofPaperandPaperboard(Withdrawn2010)3D685PracticeforConditioningPaperandPaperProductsforTestingD5039TestMethodsforIdentificationofWireSideofPaper(Withdrawn2009)3D7305TestMethodforReflectionDensityofPrintedMatter3.Terminology3.1Definitions:3.1.1inkmileage,n—weightperunitareaofinkrequiredtoachieveagivenreflectiondensity,laboratoryunitsareg/m2.3.1.2inkrecepti...
