1、Designation:D7094121Standard Test Method forFlash Point by Modified Continuously Closed Cup(MCCCFP)Tester1This standard is issued under the fixed designation D7094;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revi
2、sion.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1NOTEEditorially removed sole source of supply footnote from 6.1 in February 2014.1.Scope*1.1 This test method covers the determination of the
3、flashpoint of fuels,lube oils,solvents and other liquids by acontinuously closed cup tester utilizing a specimen size of 2mL,cup size of 7 mL,with a heating rate of 2.5C per minute.1.1.1 Apparatus requiring a specimen size of 1 mL,cup sizeof 4 mL,and a heating rate of 5.5C per minute must be runacco
4、rding to Test Method D6450.1.2 This flash point test method is a dynamic method anddepends on definite rates of temperature increase.It is one ofthe many flash point test methods available and every flashpoint test method,including this one,is an empirical method.NOTE1Flash point values are not a co
5、nstant physical chemicalproperty of materials tested.They are a function of the apparatus design,the condition of the apparatus used,and the operational procedure carriedout.Flash point can,therefore,only be defined in terms of a standard testmethod and no general valid correlation can be guaranteed
6、 between resultsobtained by different test methods or where different test apparatus isspecified.1.3 This test method utilizes a closed but unsealed cup withair injected into the test chamber.1.4 This test method is suitable for testing samples with aflash point from 35 to 225C.NOTE2Flash point dete
7、rminations below 35C and above 225C maybe performed;however,the precision has not been determined below andabove these temperatures.1.5 If the users specification requires a defined flash pointmethod other than this method,neither this method nor anyother test method should be substituted for the pr
8、escribed testmethod without obtaining comparative data and an agreementfrom the specifier.1.6 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.Temperatures are in degrees Celsius,pressure inkilo-Pascals.1.7 This standard does not
9、purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.For specificwarning statements,see 7.2,8.5,an
10、d 10.1.2.2.Referenced Documents2.1 ASTM Standards:2D93 Test Methods for Flash Point by Pensky-MartensClosed Cup TesterD4057 Practice for Manual Sampling of Petroleum andPetroleum ProductsD4177 Practice for Automatic Sampling of Petroleum andPetroleum ProductsD6450 Test Method for Flash Point by Cont
11、inuously ClosedCup(CCCFP)TesterD6708 Practice for Statistical Assessment and Improvementof Expected Agreement Between Two Test Methods thatPurport to Measure the Same Property of a MaterialE300 Practice for Sampling Industrial Chemicals2.2 ISO Standards:3ISO Guide 34 Quality Systems Guidelines for t
12、he Produc-tion of Reference MaterialsISO Guide 35 Certification of Reference MaterialsGeneraland Statistical Principles3.Terminology3.1 Definitions:3.1.1 flash point,nthe lowest temperature corrected to apressure of 101.3 kPa at which application of an ignitionsource causes the vapors of a specimen
13、of the sample to ignitemomentarily under specified conditions of the test.1This test method is under the jurisdiction of ASTM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricants and is the direct responsibility ofSubcommittee D02.08 on Volatility.Current edition approved Dec.1,2012.Publis
14、hed March 2013.Originallyapproved in 2004.Last previous edition approved in 2009 as D709404(2009).DOI:10.1520/D7094-12.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to th
15、e standards Document Summary page onthe ASTM website.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C70
16、0,West Conshohocken,PA 19428-2959.United States1 3.1.1.1 DiscussionFor the purpose of this test method,thetest specimen is deemed to have flashed when the hot flame ofthe ignited vapor causes an instantaneous pressure increase ofat least 20 kPa inside the closed measuring chamber.3.1.2 dynamic,adjthe condition where the vapor abovethe test specimen and the test specimen are not in temperatureequilibrium at the time at which the ignition source is applied.4.Summary of Test Method4.1 The lid of th
