Designation:D7073−20StandardGuideforApplicationandEvaluationofBrushandRollerAppliedPaintFilms1ThisstandardisissuedunderthefixeddesignationD7073;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidedescribesproceduresfortheapplicationofbrushorroller,orboth,appliedpaintfilmstosealedwallboardforevaluatingapplicationproperties.1.2Becauseboththeapplicationandpanelevaluationaresubjective,thisguideshouldbeusedonlyforcomparativetestingwithinonelaboratoryusingoneoperatorforeachsetofapplications,astheratingsassignedbydifferentlaboratoriesmaynotagree.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1475TestMethodforDensityofLiquidCoatings,Inks,andRelatedProductsD3924SpecificationforStandardEnvironmentforCondi-tioningandTestingPaint,Varnish,Lacquer,andRelatedMaterialsD3925PracticeforSamplingLiquidPaintsandRelatedPigmentedCoatingsD4707TestMethodforMeasuringPaintSpatterResistanceDuringRollerApplicationD5068PracticeforPreparationofPaintBrushesforEvalu-ationD5069PracticeforPreparationofPaint-RollerCoversforEvaluationofArchitecturalCoatingsD5301PracticeforPhysicalCharacterizationofPaintBrushesD5913TestMethodforEvaluationofCleanability...