alumina trihydrate


: the trihydrate of alumina Al(OH)3 used primarily for its flame-retardant properties
The influence of the inorganic flame retardants, including alumina trihydrate (ATH) and borax … on the mechanical properties and flammability of high density polyethylene has been studied.Journal of Technology and Science, 9 May 2010

Note: At approximately 350 degrees Fahrenheit, Al(OH)3 decomposes to Al2O3·3H2O, absorbing heat and releasing water vapor.

abbreviation ATH
compare aluminum hydroxide

Word History

First Known Use

1898, in the meaning defined above

Time Traveler
The first known use of alumina trihydrate was in 1898

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“Alumina trihydrate.” Dictionary, Merriam-Webster, Accessed 23 May. 2024.

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