Designation:D969–85(Reapproved2003)´1StandardTestMethodforLaboratoryDeterminationofDegreeofBleedingofTrafficPaint1ThisstandardisissuedunderthefixeddesignationD969;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.´1NOTE—1.2wascorrectededitoriallyinDecember2006toindicateSIunitsaspreferredmeasurement.1.Scope1.1Thistestmethodcoversalaboratorytestprocedurefordeterminingthedegreeofbleedingoftrafficorpavementmarkingpaints.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D476ClassificationforDryPigmentaryTitaniumDioxideProductsD867SpecificationforPumicePigment3D868TestMethodforEvaluatingDegreeofBleedingofTrafficPaintD1199SpecificationforCalciumCarbonatePigments2.2ASTMAdjuncts:D868Bleedingresistanceofpaint(onephoto)43.SignificanceandUse3.1Solventsinatrafficpaintmaycausebleedingofpavementconstituentsintothetrafficmarking,therebyrender-ingthetrafficmarkinglesseffectiveasalaneordirectionalindicator.Thistestmethoddescribeshowtoprepareapanelforevaluation.Theverysubjectivemethodofevaluatingthedegreeofbleedingraisesquestionsastotheusefulnessoftheresultforspecificationcompliance.4.Apparatus4.1FilmApplicator—Aconventionaltypedrawdowngagethatcastsafilmhavingaminimumwidthof50mm(2in.)andanapproximatewetthicknessof380µm(15mils)(applicatorclearanceofapproximately760µm(30mils)).4.2TestPanelforCoal-TarSubstrate—A127by254-mm(5by10-in.)piececutfromastandardrollofso-called“6.8-kg(...
