Urea flash point
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This post was last edited by 2005180005 on 2018-8-27 at 14:08. The melting point of urea is 132.7°C, while its flash point is 72.7°C – isn’t that contradictory? Don’t solids not have a flash point?
The flash point is the lowest temperature at which a mixture formed by the vapors emitted from flammable and combustible liquids and air can catch fire when exposed to an ignition source. A small amount of solid that can sublimate also has a flash point. Such as tea, paraffin, camphor, etc.