... )type:high whiteness 5)D 50<1um Aluminium hydroxide, Al(OH)3, ATH, sometimes erroneously called Hydrate of alumina, is ... temperature under carefully controlled conditions is known as activated alumina and is used as a desiccant, an adsorbent, ... , polyaluminium chloride, aluminium chloride, zeolites, sodium aluminate, activated alumina, aluminium nitrate.Use as a fire retardant:Aluminium hydroxide also ...