Designation:D7346−15(Reapproved2021)StandardTestMethodforNoFlowPointandPourPointofPetroleumProductsandLiquidFuels1ThisstandardisissuedunderthefixeddesignationD7346;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofthenoflowpointandpourpointofpetroleumproducts,liquidfuels,biodiesel,andbiodieselblendsusinganautomaticinstrument.1.2Themeasuringrangeoftheapparatusisfrom–95°Cto45°C,howevertheprecisionstatementswerederivedonlyfromsampleswithnoflowpointtemperaturesfrom–77°Cto+2°Candsampleswithpourpointinthetemperaturerangeof–58°Cto+12°C.1.3Pourpointresultsfromthistestmethodcanbereportedat1°Cor3°Cintervals.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D97TestMethodforPourPointofPetroleumProductsD4057PracticeforManualSamplingofPetroleumandPetroleumProductsD4177PracticeforAutomaticSamplingofPetroleumandPetroleumProductsD6300PracticeforDeterminationofPrecisionandBiasDataforUseinTestMethodsforPetroleumProducts,LiquidFuels,andLubricantsD6708PracticeforStatisticalAssessmentandImprovementofExpectedAgreementBetweenTwoTestMethodsthatPurporttoMeasuretheSamePropertyofaMaterial3.Terminology3.1De...
