Designation:D7342−20StandardTestMethodforProlongedWorkedStabilityofLubricatingGreaseinPresenceofWater(WaterStabilityTest)1ThisstandardisissuedunderthefixeddesignationD7342;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversaprocedurefordeterminingtheshearstabilityoflubricatinggreaseinthepresenceofwater(wetshearstability)byafullscalegreaseworker.Thistestmethodisalsoknownasthewaterstabilitytest.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D217TestMethodsforConePenetrationofLubricatingGreaseD1193SpecificationforReagentWaterD4057PracticeforManualSamplingofPetroleumandPetroleumProducts3.Terminology3.1Definitions:3.1.1consistency,n—oflubricatinggrease,degreeofresis-tancetomovementunderstress.3.1.1.1Discussion—Thetermconsistencyisusedsomewhatsynonymouslywithpenetration.Generally,consistencyreferstotheworkedpenetrationofagrease.D2173.1.2lubricatinggrease,n—semi-fluidtosolidproductofadispersionofathickenerinaliquidlubricant.3.1.2.1Discussion—Thedispersionofthethickenerformsatwo-phasesystemandimmobilizestheliquidlubricantbysurfacetensionandotherphysicalforces.Otheringredientsarecommonlyincludedtoimpartspecia...
