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Flash Point

the lowest temperature corrected to a pressure of 101.3 kPa (760 mm Hg) at which application of an ignition source causes the vapors of a specimen of the sample to ignite under specified conditions of the test. 

DISCUSSION—There are several methods for determining the flash point. The preferred method used by authorities in delineating between flammable and combustible liquids is a closed-cup flash point test.

Committee
Ignitable Liquids, Explosives & Gunshot Residue
Date Added to Lexicon
Standard Source (Designation Number Title of Standard. Publisher, Place, Year.)
ANSI/ASTM E3197-23 Standard Terminology Relating to Examination of Fire Debris. ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428, 2023. Source link
Reprinted, with permission, from ASTM, copyright ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428. A copy of the complete standard may be purchased from ASTM International, https://www.astm.org