How hot can LPG (LP gas) burn to initiate a flame?

Liquefied Petroleum Gas (LPG), commonly referred to as LP gas, burns at temperatures that can initiate a flame within the range of 920 to 1120 degrees Fahrenheit. This temperature range is critical as it represents the lower end of the combustion range for LPG, which allows for the vaporization and ignition of the gas when mixed with an appropriate amount of air or oxygen.

At temperatures below this range, the gas may not have enough thermal energy to reach its ignition point. Understanding this ignition temperature is essential for fire investigators because it helps in determining the conditions under which a fire may have started, especially in incident scenarios involving LPG. This information aids in analyzing fire patterns and recognizing the presence of LPG in fire investigations.

The other temperature ranges do not accurately reflect the combustion characteristics of LPG. While higher temperatures can certainly support combustion and sustain a flame, they exceed the necessary conditions for ignition itself, which is crucial in forensic fire analysis. Thus, recognizing the specific range where ignition occurs enhances the understanding of how LPG behaves in fire scenarios.