Designation:D6184−17StandardTestMethodforOilSeparationfromLubricatingGrease(ConicalSieveMethod)1ThisstandardisissuedunderthefixeddesignationD6184;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.INTRODUCTIONTheconicalsievemethodformeasuringleakagefromlubricatinggrease(commonlyknownastheconebleedtest)usesthesameequipmentastheobsolete,withdrawnFED-STD-791C(FederalTestMethod(FTM)791C)Method321.3,OilSeparationfromLubricatingGrease(StaticTechnique).Despitethelackofaprecisionstatement,Method321.3wasusedformanyyearsinspecificationstoevaluatethetendenciesofbasefluidseparationfrommilitaryandindustrialgreases.TestMethodD6184supersedestheFTMmethodbyovercomingdeficienciesofMethod321.3.ItincludestheproceduresandprecisiondeterminationsresultantfromacooperativestudyconductedbyparticipatingmembersofSubcommitteeD02.G0.1.Scope*1.1Thistestmethodcoversthedeterminationoftheten-dencyoflubricatinggreasetoseparateoilatanelevatedtemperature.Thistestmethodshallbeconductedat100°Cfor30hunlessotherconditionsarerequiredbythegreasespeci-fication.1.2Thistestmethodcanbeusedonanygreasewithaworkedpenetration(TestMethodsD217)greaterthan220mm⁄10(NLGIConsistencyNumber3orsofter).However,noprecisiondataexistsforgreaseswithapenetrationgreaterthan340mm⁄10(softerthanNLGIConsistencyNumber1).1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Theterm60meshisusedtodescribethewiremeshused.ThisunitwasdescribedinthewithdrawnE437standardandthereisnoexactmetricequivalent.1.4Thisstandarddoesnotpurporttoaddressallthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetypracticesanddeterminetheapplicabilityofregulatorylimita-tionspriortouse.1.5Thisinternationalstandardwasdevelo...
