Fire point

The fire point, or combustion point, of a fuel is the lowest temperature at which the vapour of that fuel will continue to burn for at least five seconds after ignition by an open flame of standard dimension.[1] At the flash point, a lower temperature, a substance will ignite briefly, but vapor might not be produced at a rate to sustain the fire. Most tables of material properties will only list material flash points. In general, the fire point can be assumed to be about 10 °C higher than the flash point,[2] although this is no substitute for testing if the fire point is safety critical.[2]

This article is about the physical property of fuels. For points at which fire alarms may be activated, see Manual fire alarm activation.
"Ignition point" redirects here. For the episode of Adventure Time, see Ignition Point.

Testing of the fire point is done by open cup apparatus.[2][3]

See also

Notes
  1. Steven A., Treese; Peter R., Pujado; David S. J., Jones (2015). Handbook of Petroleum Processing (2 ed.). Springer. p. 1736. ISBN 978-3-319-14528-0.
  2. "Flash Point and Fire Point". Archived from the original on 2010-12-14. Retrieved 2010-05-27.
  3. "Standard Test Method for Flash and Fire Points by Cleveland Open Cup Tester", ASTM.org


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