Designation:F2452−04(Reapproved2012)StandardPracticeforDeterminingtheAdhesionofPrintMediaUtilizingMechanicalStress:TwoDifferentTestMethods—Score/TapeandCrossHatch1ThisstandardisissuedunderthefixeddesignationF2452;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticedescribesprocedurestoobtainsubjective,butcomparativedataforadhesionofprintmediausedinprinters,copiesandotherreprographicdevices.1.2Thismethodisapplicabletoconstructionswheretheprintmediaissubjecttofailureundermechanicalstressfrommostlypeelconditions(thatis,paper,film,cloth,andsoforth).1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2F2226PracticeforDeterminingtheAdhesionofPrintsandLaminatingFilms3.Terminology3.1Definitions:3.1.1filmandhighsizedpapersubstrate—recordingele-menthavinglowwaterpermeability.Aninternalorsurfacesizingofaporouspapersubstrateminimizeswaterabsorptionandimprovesinternalbonds.Intheadhesiontestfibersdonottearoffapapersubstrate.3.1.2porouspapersubstrate—recordingelementhavinglimitedinternalorsurfacesizing.Thistypeofpapershasweakinternalbonds.Itiscommonintheadhesiontestthatfiberstearoffaporoussubstrate.3.1.3printmedia—recordingelementsusedbyprinterstoreceiveinksortoners.Thesubstratemaybepaper,plastic,canvas,fabric,orotherink-receptivematerial.Thesubstratemay,ornot,becoatedwithaninkreceptivelayer(s).4.SignificanceandUse4.1Goodadhesionisaprimeconsiderationforprintmedia.Forcoatedpapersfailurecanoccurbetweenthecoatingandthesubstrateorbetweencoatedlayers,whileforuncoatedpapersfailurecanoccurbetweentheimagedareaandthesubstrate.Thispract...
