autoignition temperature

The minimum temperature needed for self-sustained combustion in absence of a spark or flame, at which the vapours from a volatile liquid will ignite spontaneously.

The autoignition temperature (AT) is of interest to the Occupational Safety and Health Administration (OSHA) (US), which lists ATs in its Materials Safety Data Sheets, see there.

References in periodicals archive

Minimum autoignition temperature. Material MAIT (|degrees~ C) Cornstarch 390 Coal 610 Urea 900 Aluminum 420 Zirconium 20

Bridging the gap: explosion testing to explosion protection

Potential hazards associated with fuel, including flammability, detonation limits, and autoignition temperatures must be considered inside and around the engine in case of unintentional fuel leakage.

Important properties for industrial gas turbine fuels

Paper and wood burned easily because of their low autoignition temperatures. Based on the flash point, the white spirit is considered a flammable liquid (< 37.8[degrees]C); the kerosene and the PGEE are considered combustible liquids ([greater than or equal to] 37.8[degrees]C).

An unusual arson case: polymer grains, a mineral spirit, solid bricks containing kerosene, and a glycolether used as fuels

ASTM standard tests exist to measure the minimum explosible concentration, the minimum ignition energy (high voltage spark), minimum autoignition temperatures, maximum pressure generated and the maximum rate of pressure rise (which is a measure of the destructive force).

Explosive results

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