Designation:D865−11(Reapproved2018)StandardTestMethodforRubber—DeteriorationbyHeatinginAir(TestTubeEnclosure)1ThisstandardisissuedunderthefixeddesignationD865;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversaproceduretodeterminethedeteriorationinducedbyheatingrubberspecimensinindi-vidualtesttubeenclosureswithcirculatingair.Thisisolationpreventscrosscontaminationofcompoundsduetolossofvolatilematerials(forexample,antioxidants)andtheirsubse-quentmigrationintootherrubbercompounds(specimens).Theabsorptionofsuchvolatilematerialsmayinfluencethedegra-dationrateofrubbercompounds.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D412TestMethodsforVulcanizedRubberandThermoplas-ticElastomers—TensionD573TestMethodforRubber—DeteriorationinanAirOvenD1349PracticeforRubber—StandardConditionsforTest-ingD2240TestMethodforRubberProperty—DurometerHard-nessD3182PracticeforRubber—Materials,Equipment,andPro-ceduresforMixingStandardCompoundsandPreparingStandardVulcanizedSheetsD3183PracticeforRubber—PreparationofPiecesforTestPurposesfromProductsD4483Pr...
