Designation:D3934−14StandardTestMethodforFlash/NoFlashTest—EquilibriumMethodbyaClosed-CupApparatus1ThisstandardisissuedunderthefixeddesignationD3934;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONASTMFlashPointTestMethodsD56,D93,D3278,andD3941arespecifiedbygovernmentdepartmentsandagenciesfordeterminingwhetherliquidsareflammableorcombustible.Theseclassificationsareusedasthebasisforregulatingthehandlingandshippingofliquids.ISO/TC35,PaintsandVarnishes,andISO/TC28,PetroleumandRelatedProducts,haveissuedISO1516asacommonstandard,applicabletopaints,varnishes,petroleum,andrelatedproducts.ThismethodissimilartoISO1516butusesstandardASTMcupsandstyleandformat.TestMethodsD3278andD3828operateontheequilibriumprinciplebyusingtheSetaflashtesterthathasatemperature-controldevice.Thistestmethoddoesnotdeterminethefiniteflashpointbutwhetherornotflashingoccursatasinglespecifiedtemperature.Thelatterdeterminationismademoreaccuratebyensuringthatthetestiscarriedoutonlywhenthematerialundertestandtheair/vapormixtureaboveitareinapproximateequilibriumatthespecifiedtemperature.1.Scope*1.1Thistestmethodcoversthedeterminationofwhetheraliquidcomplieswiththeclosed-cupflashpointrequirementsingovernmentregulations,orinspecifications,orasagreedbetweenthepurchaserandtheseller.1.2Thistestmethodislimitedtoatemperaturerangebetween0and110°C(32and230°F).1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Warning—Mercuryhasbeendesignatedbymanyregu-latoryagenciesasahazardousmaterialthatcancausecentralnervoussystem,kidneyandliverdamage.Mercury,oritsvapor,maybehazardoustohealthandcorrosivetomaterials.Cautionshouldbetakenwhenhandlingmercuryandmercurycontaini...
