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Kerosene is liquid around room temperature: 25 °C (77 °F). The flash point of kerosene is between 37 °C (99 °F) and 65 °C (149 °F), and its autoignition temperature is 220 °C (428 °F). [19] The freezing point of kerosene depends on grade, with commercial aviation fuel standardized at −47 °C (−53 °F). Grade 1-K kerosene freezes ...
Safflower oil: Refined: 266 °C: 510 °F [3] Sesame oil: Unrefined: 177 °C: 350 °F [3] Sesame oil: Semirefined: 232 °C: 450 °F [3] Soybean oil: 234 °C [20] 453 °F Sunflower oil: Neutralized, dewaxed, bleached & deodorized: 252–254 °C [21] 486–489 °F Sunflower oil: Semirefined: 232 °C [3] 450 °F Sunflower oil: 227 °C [3] 441 °F ...
The smoke point, also referred to as the burning point, is the temperature at which an oil or fat begins to produce a continuous bluish smoke that becomes clearly visible, dependent upon specific and defined conditions. [1]
To ignite, the fuel must have a low flash point, but in order to avoid preignition caused by residual heat in a hot combustion chamber, the fuel must have a high autoignition temperature. Diesel fuel flash points vary between 52 and 96 °C (126 and 205 °F).
The fire point, or combustion point, of a fuel is the lowest temperature at which the liquid fuel will continue to burn for at least five seconds after ignition by an open flame of standard dimension. [1] At the flash point, a lower temperature, a substance will ignite briefly, but vapour might not be produced at a rate to sustain the fire ...
The autoignition temperature or self-ignition temperature, often called spontaneous ignition temperature or minimum ignition temperature (or shortly ignition temperature) and formerly also known as kindling point, of a substance is the lowest temperature at which it spontaneously ignites in a normal atmosphere without an external source of ignition, such as a flame or spark. [1]
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Heating oil: 16.0 °F (−8.9 °C). Kerosene: −40.0 °F (−40.0 °C). For the petroleum product to flow again, it needs to be brought above the gel point temperature to the ungel point, which is typically near its pour point. However, without stirring the paraffin waxes may still remain in crystal form so the fuel may have to be warmed ...