Content Handbook F

MT 12 FLASH POINT

OUTLINE OF METHOD

The sample is placed in the cup of the apparatus and heated at a slow, uniform rate. A small test flame is directed into the cup at regular intervals, and the flash point taken as the lowest temperature at which the application of the flame causes the vapour above the sample to ignite with a distinct flash inside the cup.

SCOPE:

The method determines the closed cup flash points of petroleum products and mixtures, to ascertain whether they give off flammable vapours below 23 °C (73 °F).

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last update 29.11.2010