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37.8 °C (100.0 °F)
- Fuels which have a flash point less than 37.8 °C (100.0 °F) are called flammable, whereas fuels having a flash point above that temperature are called combustible.
en.wikipedia.org › wiki › Flash_point
The flash point is a descriptive characteristic that is used to distinguish between flammable fuels, such as petrol (also known as gasoline), and combustible fuels, such as diesel. It is also used to characterize the fire hazards of fuels.
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flash point, the lowest temperature at which a liquid (usually a petroleum product) will form a vapour in the air near its surface that will “flash,” or briefly ignite, on exposure to an open flame. The flash point is a general indication of the flammability or combustibility of a liquid.
- The Editors of Encyclopaedia Britannica
Jan 13, 2016 · Flash point is the lowest temperature at which a chemical can vaporize to form an ignitable mixture in air. A lower flash point indicates higher flammability. Measuring a flash point (open-cup or close-cup) requires an ignition source. At the flash point, the vapor may cease to burn when the ignition source is removed.
Mar 29, 2023 · In safety, flash point refers to the minimum temperature at which a substance can ignite and produce enough flammable vapors to cause a flash fire or explosion. It is a critical property to consider when handling, storing, and transporting flammable or combustible liquids, gases, or solids.
Oct 12, 2021 · Under the United States Department of Transportation’s Hazardous Materials Regulations (HMR), a liquid with a flash point at or below 60 degrees Celsius (140°F) is a Class 3 flammable liquid. A liquid with a flash point above 60 degrees Celsius (140°F) but below 93°C (200°F) is a combustible liquid.
A flammable liquid is a liquid which can be easily ignited in air at ambient temperatures, i.e. it has a flash point at or below nominal threshold temperatures defined by a number of national and international standards organisations.
The flash point of a product is the lowest temperature at which it emits sufficient vapors to form an ignitable mixture with air near its surface. In simpler terms, it is the temperature at which the product can catch fire if exposed to an open flame or spark.
