Designation:D4502−92(Reapproved2019)StandardTestMethodforHeatandMoistureResistanceofWood-AdhesiveJoints1ThisstandardisissuedunderthefixeddesignationD4502;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thepurposeofthistestmethodistoestimatetheresistanceofadhesive-bondedjointstothermalandhydrolyticdegradation.1.2Thistestmethodisprimarilyforwood-to-woodjointsbutmaybeappliedtojointsofwoodtoothermaterials.1.3Theeffectsofchemicalssuchasfireretardants,preservatives,andextractivesinthewooduponjointdegrada-tionresistancecanbeestimated.1.4Thistestmethoddoesnotaccountfortheeffectsofstress,theotherprincipaldegradingfactor,nordoesitaccountforcyclicorvariabletemperatureormoisturelevels.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesafterSIunitsareprovidedforinformationonlyandarenotconsideredstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.7Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D897TestMethodforTensilePropertiesofAdhesiveBondsD905TestMethodforStrengthPropertiesofAdhesiveBondsinShearbyCompressionLoadingD907TerminologyofAdhesivesD2304TestMethodforThermalEnduranceofRigidElec-tricalInsulatingMaterialsD2307TestMethodforThermalEnduranceofFilm-InsulatedRoundMagnetWireD2339TestMethodforStrengthPropertiesofAdhesivesinTwo-PlyWoodConstructioninShe...
