Designation:D3828−12aStandardTestMethodsforFlashPointbySmallScaleClosedCupTester1ThisstandardisissuedunderthefixeddesignationD3828;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.INTRODUCTIONThesesmallscaleflashpointmethodsaregenerallyusedfortestingasampleataspecifictemperaturewherethespecimenbeingtestedandtheair–vapormixtureaboveitareclosetothermalequilibrium.TestMethodD3941coversotherflashpointequipmentoperatedataspecifictemperature.Flashpointvaluesareafunctionoftheapparatusdesign,theconditionoftheapparatusused,andtheoperationalprocedurecarriedout.Flashpointcanthereforeonlybedefinedintermsofastandardtestmethod,andnogeneralvalidcorrelationcanbeguaranteedbetweenresultsobtainedbydifferenttestmethods,orwithtestapparatusdifferentfromthatspecified.1.Scope*1.1Thesetestmethodscoverproceduresforflashpointtests,withintherangeof–30to300°C,ofpetroleumproductsandbiodieselliquidfuels,usingasmallscaleclosedcuptester.Theproceduresmaybeusedtodetermine,whetheraproductwillorwillnotflashataspecifiedtemperature(flash/noflashMethodA)ortheflashpointofasample(MethodB).Whenusedinconjunctionwithanelectronicthermalflashdetector,thesetestmethodsarealsosuitableforflashpointtestsonbiodieselssuchasfattyacidmethylesters(FAME).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandardshouldbeusedtomeasureanddescribethepropertiesofmaterials,products,orassembliesinresponsetoheatandflameundercontrolledlaboratoryconditionsandshouldnotbeusedtodescribeorappraisethefirehazardorfireriskofmaterials,products,orassembliesunderactualfireconditions.However,resultsofthistestmaybeusedaselementsofafireriskassessmentwhichtakesintoaccountallofthefactorswhicharepertinentt...
