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【英文标准名称】:StandardTestMethodforFlashPointbyModifiedContinuouslyClosedCup(MCCCFP)Tester
【原文标准名称】:用改良的连续闭杯试验仪测量闪点的标准试验方法
【标准号】:ASTMD7094-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:continuouslyclosedcup;flammability;flashpoint;Closed-cupflashpointmethods;Flashpoint
【摘要】:Theflashpointtemperatureisonemeasureofthetendencyofthetestspecimentoformaflammablemixturewithairundercontrolledlaboratoryconditions.Itisonlyoneofanumberofpropertieswhichmustbeconsideredinassessingtheoverallflammabilityhazardofamaterial.Flashpointisusedinshippingandsafetyregulationstodefineflammableandcombustiblematerialsandforclassificationpurposes.Thisdefinitionmayvaryfromregulationtoregulation.Consulttheparticularregulationinvolvedforprecisedefinitionsoftheseclassifications.Thistestmethodcanbeusedtomeasureanddescribethepropertiesofmaterialsinresponsetoheatandanignitionsourceundercontrolledlaboratoryconditionsandshallnotbeusedtodescribeorappraisethefirehazardorfireriskofmaterialsunderactualfireconditions.However,resultsofthistestmethodmaybeusedaselementsofafireriskassessment,whichtakesintoaccountallofthefactorswhicharepertinenttoanassessmentofthefirehazardofaparticularenduse.Flashpointcanalsoindicatethepossiblepresenceofhighlyvolatileandflammablematerialsinarelativelynonvolatileornonflammablematerial,suchasthecontaminationoflubricatingoilsbysmallamountsofdieselfuelorgasoline.ThistestmethodwasdesignedtobemoresensitivetopotentialcontaminationthanTestMethodD6450.1.1Thistestmethodcoversthedeterminationoftheflashpointoffuels,lubeoils,solventsandotherliquidsbyacontinuouslyclosedcuptesterutilizingaspecimensizeof2mL,cupsizeof7mL,withaheatingrateof2.5x00B0;Cperminute.1.1.1Apparatusrequiringaspecimensizeof1mL,cupsizeof4mL,andaheatingrateof5.5x00B0;CperminutemustberunaccordingtoTestMethodD6450.1.2Thisflashpointtestmethodisadynamicmethodanddependsondefiniteratesoftemperatureincrease.Itisoneofthemanyflashpointtestmethodsavailableandeveryflashpointtestmethod,includingthisone,isanempiricalmethod.Note18212;Flashpointvaluesarenotaconstantphysicalchemicalpropertyofmaterialstested.Theyareafunctionoftheapparatusdesign,theconditionoftheapparatusused,andtheoperationalprocedurecarriedout.Flashpointcan,therefore,onlybedefinedintermsofastandardtestmethodandnogeneralvalidcorrelationcanbeguaranteedbetweenresultsobtainedbydifferenttestmethodsorwheredifferenttestapparatusisspecified.1.3Thistestmethodutilizesaclosedbutunsealedcupwithairinjectedintothetestchamber.1.4Thistestmethodissuitablefortestingsampleswithaflashpointfrom35to225x00B0;C.Note28212;Flashpointdeterminationsbelow35x00B0;Candabove225x00B0;Cmaybeperformed;however,theprecisionhasnotbeendeterminedbelowandabovethesetemperatures.1.5Iftheuserx2019;sspecificationrequiresadefinedflashpointmethodotherthanthismethod,neitherthismethodnoranyothertestmethodshouldbesubstitutedfortheprescribedtestmethodwithoutobtainingcomparativedataandanagreementfromthespecifier.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstand......
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:9P.;A4
【正文语种】:英语