noun
flash temperature
Technical term used in combustion and fire safety contexts; the temperature at which a substance can ignite.
この物質の引火温度は摂氏200度です。
The flash temperature of this substance is 200 degrees Celsius.
引火点 is the flash point (temperature at which vapors ignite), while 引火温度 is the flash temperature itself.
Compound of 引火 (ignition) and 温度 (temperature).