Fire point

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The fire point of a fuel is the lowest temperature at which the vapour of that fuel will continue to burn for at least 5 seconds after ignition by an open flame. 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. Although in general the fire points can be assumed to be about 10 °C higher than the flash points[1] this is no substitute for testing if the fire point is safety critical.[1]

Testing of the fire point is done by open cup apparatus.[1][2]

See also

Notes

  1. ^ a b c "Flash Point and Fire Point". Archived from the original on 2010-12-14. Retrieved 2010-05-27.
  2. ^ "Standard Test Method for Flash and Fire Points by Cleveland Open Cup Tester", ASTM.org
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