Designation:D7072−04(Reapproved2019)StandardPracticeforEvaluatingAcceleratedEfflorescenceofLatexCoatings1ThisstandardisissuedunderthefixeddesignationD7072;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoverstheevaluationofthedegreetowhichalatexpaintresiststheformationofefflorescenceandalkaliburnoutontheexposedpaintsurface.1.2Thispracticeisdesignedprimarilytorelateefflores-cenceoriginatinginthesubstratetothedepositappearingonthesurfaceoflatexpaints.Thispracticerelateschieflytothepaintingofmasonry-typesubstratessuchasconcreteblock,brick,mortar,stucco,pouredconcrete,andsimilarmaterials.1.3ThevaluesinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1475TestMethodforDensityofLiquidCoatings,Inks,andRelatedProductsD1734PracticeforMakingCementitiousPanelsforTestingCoatingsD4585PracticeforTestingWaterResistanceofCoatingsUsingControlledCondensationD5068PracticeforPreparationofPaintBrushesforEvalu-ation3.Terminology(SpecifictoThisPractice)3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1alkaliburnout,n—theprematurefadingordecompo-sitionofpaintsthataresensitivetothehighpHofthesubstrate.Thehighalkalinecontentofthesubstratecanalterthecolor.3.1.2...
