Designation:D5590−17(Reapproved2021)StandardTestMethodforDeterminingtheResistanceofPaintFilmsandRelatedCoatingstoFungalDefacementbyAcceleratedFour-WeekAgarPlateAssay1ThisstandardisissuedunderthefixeddesignationD5590;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversanacceleratedmethodfordeterminingtherelativeresistanceoftwoormorepaintsorcoatingfilmstofungalgrowth.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1005TestMethodforMeasurementofDry-FilmThick-nessofOrganicCoatingsUsingMicrometersD3273TestMethodforResistancetoGrowthofMoldontheSurfaceofInteriorCoatingsinanEnvironmentalCham-berD3456PracticeforDeterminingbyExteriorExposureTeststheSusceptibilityofPaintFilmstoMicrobiologicalAttackD4587PracticeforFluorescentUV-CondensationExpo-suresofPaintandRelatedCoatingsD4708PracticeforPreparationofUniformFreeFilmsofOrganicCoatingsD6132TestMethodforNondestructiveMeasurementofDryFilmThicknessofAppliedOrganicCoatingsUsinganUltrasonicCoatingThicknessGageD6695PracticeforXenon-ArcExposuresofPaintandRelatedCoatingsG21PracticeforDeterminingResistanceofSyntheticPoly-mericMaterialstoFungi3.SummaryofTestMethod3.1Thistestme...
