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§ 30.10-27 Flashpoint—TB/ALL.

46 CFR 30.10-27

Citation46 CFR 30.10-27
CorpusDaily eCFR
Displayed edition2026-09-01
Last updated2026-09-01

§ 30.10-27 Flashpoint—TB/ALL.

The term flashpoint indicates the temperature in degrees Fahrenheit at which a liquid gives off a flammable vapor when heated in an open-cup tester. For the purpose of the regulations in this subchapter, flashpoints determined by other testing methods will be equivalent to those determined with an open-cup tester, as follows:

Table 30.10-27—Equivalent Flashpoints

[In degrees Fahrenheit]

Open-cup testerTag closed-cup tester (A.S.T.M.)Pensky-Martens closed tester (A.S.T.M.)
8075
150140

[CGFR 65-50, 30 FR 16657, Dec. 30, 1965, as amended by USCG-2014-0688, 79 FR 58279, Sept. 29, 2014]