Designation:D3137−81(Reapproved2018)StandardTestMethodforRubberProperty—HydrolyticStability1ThisstandardisissuedunderthefixeddesignationD3137;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationoftheabilityofrubbertowithstandtheenvironmentaleffectsofhighhumidity.Thisisaccomplishedbyexaminationofthematerialafterremovalfromthemoisture-ladenenvironment.ItisdesignedfortestingspecimensofrubbermaterialscutfromstandardsheetspreparedinaccordancewithPracticeD3182.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.(Forspecificprecautionarystatements,seeNote1.)1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D412TestMethodsforVulcanizedRubberandThermoplas-ticElastomers—TensionD573TestMethodforRubber—DeteriorationinanAirOvenD3040PracticeforPreparingPrecisionStatementsforStan-dardsRelatedtoRubberandRubberTesting(Withdrawn1987)3D3182PracticeforRubber—Materials,Equipment,andPro-ceduresforMixingStandardCompoundsandPreparingStandardVulcanizedSheets3.SummaryofTestMethod3.1Testspecimensareexposedtotheinfluenceofhumidenvironmentsunderdefiniteconditionsoftemperature,humidity,andtimeforth...
