Designation:D572−04(Reapproved2015)StandardTestMethodforRubber—DeteriorationbyHeatandOxygen1ThisstandardisissuedunderthefixeddesignationD572;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversaproceduretodeterminetherelativedeteriorationresistanceofvulcanizedrubberinahightemperatureandhighpressureoxygenenvironment.Theremaybenoexactcorrelationbetweenthisacceleratedtestandnaturalagingofrubberbecauseofthevariedconditionsofnaturalaging.Thisacceleratedtestissuitableforlaboratorycompoundorproductcomparisons.NOTE1—Forevaluatingrubbervulcanizatesunderlessseverecondi-tionsmorenearlyapproachingnaturalaging,theuseofTestMethodsD573andD865isrecommended.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.(Forspecificprecautionarystatement,seeNote2.)2.ReferencedDocuments2.1ASTMStandards:2D15MethodofCompoundandSamplePreparationforPhysicalTestingofRubberProducts(Withdrawn1975)3D412TestMethodsforVulcanizedRubberandThermoplas-ticElastomers—TensionD454TestMethodforRubberDeteriorationbyHeatandAirPressureD573TestMethodforRubber—DeteriorationinanAirOvenD865TestMethodforRubber—DeteriorationbyHeatinginAir(TestTubeEnclosure)D3182PracticeforRubber—Materials,Equipment,andPro-ceduresforMixingStandardCompoundsandPreparingStandardVulcanizedSheetsD3183PracticeforRubber—PreparationofPiecesforTestPurposesfromProductsD4483PracticeforEvaluatingPrecisionforTestMethodStandardsintheRubberandCarbonBlack...
