Designation:D7514−14StandardTestMethodforEvaluatingInkStainblockingofArchitecturalPaintSystemsbyVisualAssessment1ThisstandardisissuedunderthefixeddesignationD7514;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisstandardprovidesamethodforevaluatingtheabilityofanarchitecturalpaintsystemtoblockinkstainsfrommarkersandwritinginstrumentsfrombleedingthroughaprimerintoatopcoat.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D823PracticesforProducingFilmsofUniformThicknessofPaint,Varnish,andRelatedProductsonTestPanelsD1640TestMethodsforDrying,Curing,orFilmFormationofOrganicCoatingsatRoomTemperatureE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod3.Terminology3.1Definitions:3.1.1stainblocking,n—theabilityofapaintorcoatingtopreventstainsfrombleedingthroughintothetopfinish.4.SummaryofTestMethod4.1Asubstrate,typicallyapaintedsurfaceoranuncoatedbuildingmaterial,isstainedusingaseriesofinkwritingimplements.4.2Thestainedsubstrateiscoatedwiththetestpaintsandallowedtodryforaspecifiedinterval.4.3Thetestpaintsaretop-coatedwithawallpaintandthetestpaint/topcoatsystemisevaluatedforstainblockingeffec-tiveness.5.SignificanceandUse5.1Thisstandardmaybeusedbypaintcompaniesandrawmaterialsupplierstoassesseffectivenessofinteriorarchitec-turalprimersforblockingstainsfrombleedingthroughtoatopcoat.5.2Inpractice,differentink-stainedsubstratesmaygivevario...
