Designation:D3201/D3201M−20StandardTestMethodforHygroscopicPropertiesofFire-RetardantWoodandWood-BasedProducts1ThisstandardisissuedunderthefixeddesignationD3201/D3201M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodprescribestheprocedurefordetermin-ingthehygroscopicityoffireretardanttreatedwoodproductsbydeterminingthemoisturecontentoffire-retardant-treatedwoodandwood-basedproductspecimensafterexposuretoatestconditionof9262%relativehumidityat8164°F[2762°C].1.2Thetextofthistestmethodreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthistestmethod.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemarenotnecessarilyexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combin-ingvaluesfromthetwosystemshasthepotentialtoresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D9TerminologyRelatingtoWoodandWood-BasedProd-uctsE84TestMethodforSurfaceBurningCharacteristicsofBuildingMaterialsE176TerminologyofFireStandardsE2768TestMethodforExtendedDurationSurfaceBurningCharacteristicsofBuildingMaterials(30minTunne...
