Designation:D5763−22aStandardTestMethodforOxidationandThermalStabilityCharacteristicsofGearOilsUsingUniversalGlassware1ThisstandardisissuedunderthefixeddesignationD5763;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationoftheoxida-tioncharacteristicsofextremepressureandnon-extremepres-suregearoilsandincludesthequantitativedeterminationoftotalsludge,viscositychange,andoilloss.NOTE1—Whiletheround-robintestsusedISOVG220extremepressuregearoilsfordevelopingprecisiondata,thetestmethodcanbeextendedtootherviscositygradesandtonon-extremepressuregearoils.RefertoClassificationD2422forviscositygrades.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D445TestMethodforKinematicViscosityofTransparentandOpaqueLiquids(andCalculationofDynamicViscos-ity)D2422ClassificationofIndustrialFluidLubricantsbyVis-cositySystemD2893TestMethodsforOxidationCharacteristicsofExtreme-PressureLubricationOilsD4057PracticeforManualSamplingofPetroleumandPetroleumProductsD4175TerminologyRelatingtoPetroleumProducts,LiquidFuels,andLubricantsD4871GuideforUniversalOxidation/ThermalStabilityTestApparatus3.Terminology3.1Definitions:3.1...
