alumina trihydrate


Definition of 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

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First Known Use of alumina trihydrate

1898, in the meaning defined above

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Cite this Entry

“Alumina trihydrate.” Dictionary, Merriam-Webster, Accessed 10 Aug. 2020.

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