Designation:D5950−14(Reapproved2020)StandardTestMethodforPourPointofPetroleumProducts(AutomaticTiltMethod)1ThisstandardisissuedunderthefixeddesignationD5950;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONThistestmethodcoversanalternativeprocedureforthedeterminationofpourpointofpetroleumproductsusinganautomaticapparatus.1.Scope1.1Thistestmethodcoversthedeterminationofpourpointofpetroleumproductsbyanautomaticinstrumentthattiltsthetestjarduringcoolinganddetectsmovementofthesurfaceofthetestspecimenwithanopticaldevice.1.2Thistestmethodisdesignedtocovertherangeoftemperaturesfrom−66°Cto+51°C;however,therangeoftemperaturesincludedinthe1992interlaboratorytestprogramonlycoveredthetemperaturerangefrom−39°Cto+6°C,andtherangeoftemperaturesincludedinthe1998interlaboratorytestprogramwas−51°Cto−11°C.(SeeSection13.)1.3Testresultsfromthistestmethodcanbedeterminedat1°Cor3°Cintervals.1.4Thistestmethodisnotintendedforusewithcrudeoils.NOTE1—Theapplicabilityofthistestmethodonresidualfuelsampleshasnotbeenverified.Forfurtherinformationonapplicability,referto13.4.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.7Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D97TestMethodforPourPo...
