Flashpoint
If the ambient temperature in relation to the material of concern is right, then it may give off enough vapor at its surface to allow ignition by an open flame or spark.
Flash Point Demonstration
The minimum temperature at which a liquid or volatile solid produces sufficient flammable vapors to ignite is its flashpoint. If the vapor does ignite, combustion can continue if the temperature remains at or above the flashpoint. The lower the flashpoint, the greater the fire hazard of a material.
Knowledge Check Choose the best answer for the question.
3-7. The lower the flashpoint, the _____.
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