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What is flash point

2009-09-19View Original

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What is the flash point, what is flash ignition, and is there a connection between the two?
Reply #22009-09-19
Flash ignition: When the temperature of a flammable liquid is not high, a small amount of flammable vapor on the surface mixes with air, and upon encountering a source of fire, it undergoes a brief combustion that then dies out immediately. Flash point: It refers to the lowest temperature at which the flammable vapors generated by the evaporation of a flammable liquid, when mixed with air, can form a flammable mixture that will catch fire upon exposure to an ignition source.
Reply #32009-09-19
The flash point is the lowest temperature at which a flammable liquid or solid can release enough vapor to form a flammable mixture with air at the surface of the liquid or solid within its container. The flash point of flammable liquids changes with their concentration. When the vapor emitted by flammable liquids mixes with air to reach a certain concentration, it can ignite in response to an open flame, resulting in a brief flame; or when a flammable solid is heated to a certain temperature, it can experience a brief ignition in response to an open flame, a phenomenon known as flash ignition. The lowest temperature at which a solid will flash is called the flash point. End
Reply #42009-09-19
The lowest temperature at which the vapor generated on the surface of a flammable liquid or solid ignites under the action of a test flame. The flash point is the lowest temperature at which a flammable liquid or solid can release enough vapor to form a flammable mixture with air at the surface of the liquid or solid within the container in use. The flash point of flammable liquids changes with their concentration.
Reply #52009-09-19
The flash point is the lowest temperature at which a flammable liquid or solid can release enough vapor to form a flammable mixture with air at the surface of the liquid or solid within its container. The flash point of flammable liquids changes with their concentration. When the vapor emitted by flammable liquids mixes with air to reach a certain concentration, it can ignite in response to an open flame, resulting in a brief flame; or when a flammable solid is heated to a certain temperature, it can experience a brief ignition in response to an open flame, a phenomenon known as flash ignition.

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