Self-Accelerating Decomposition Temperature (SADT)

Self-Accelerating Decomposition Temperature (SADT) is the lowest temperature at which an organic peroxide, capable of an exothermic decomposition reaction, in a typical vessel or shipping package will undergo a self-accelerating decomposition that the heat of decomposition exceeds the amount of energy lost to the surroundings. A SADT test is used in the determination of the lowest temperature at which a sample undergoes auto-accelerative decomposition, and is the method prescribed by the United Nations (UN) for the determination of safety parameters associated with the packaging and transportation of materials.

Related Definitions in the Project: The Property and Unit 

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