30.10-27 Flashpoint - TB/ALL.§ 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 tester||Tag closed-cup tester (A.S.T.M.)||Pensky-Martens closed tester (A.S.T.M.)|