ASTMD92-05

Designation:D 92-05An American National StandardAmerican Association StateHighway and Transportation Officials StandardAASHTO No.:T48INTERNATIONALDIN51376IPDesignation:36/84 (89)Standard Test Method forFlash and Fire Points by Cleveland Open Cup Tester1This standard is issued under the fixed designation D92;the number immediately following the designation indicates the yearof originaladoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscriptepsilon (e)indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.INTRODUCTIONThis flash point and fire point test method is a dynamic method and depends on definite rates oftemperature increases to control the precision of the test method.Its primary use is for viscousmaterials having flash point of 79C(175F)and above.It is also used to determine fire point,whichis a temperature above the flash point,at which the test specimen will support combustion for aminimum of 5 s.Do not confuse this test method with Test Method D 4206,which is a sustainedbuming test,open cup type,at a specific temperature of 49C(120F).Flash point values are a function of the apparatus design,the condition of the apparatus used,andthe operational procedure carried out.Flash point can therefore only be defined in terms of a standardtest method,and no general valid comrelation can be guaranteed between results obtained by differenttest methods,or with test apparatus different from that specified.1.Scope*1.3 The values stated in SI units are to be regarded as the1.1 This test method describes the determination of the flashstandard.The values given in parentheses are for informationpoint and fire point of petroleum products by a manualonly.Cleveland open cup apparatus or an automated Cleveland open1.4 This standard does not purport to address all of thecup apparatus.safety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-NorE 1-The precisions for fire point were not determined in thepriate safety and health practices and determine the applica-current interlaboratory program.Fire point is a parameter that is notcommonly specified,although in some cases,knowledge of this flamma-bility of regulatory limitations prior to use.For specificbility temperature may be desired.waming statements,see 6.4,7.1,11.1.3,and 11.2.4.1.2 This test method is applicable to all petroleum products2.Referenced Documentswith flash points above 79C (175F)and below 400C2.1 ASTM Standards:2(752F)except fuel oils.D 93 Test Methods for Flash Point by Pensky-MartensNorE 2-This test method may occasionally be specified for theClosed Cup Testerdetermination of the fire point of a fuel oil.For the determination of theD 140 Practice for Sampling Bituminous Materialsflash points of fuel oils,use Test Method D 93.Test Method D93 shouldD 1310 Test