Aluminium Hydroxide; Hydrated Alumina 64.5%min, 99.6%min Al2(OH)3 package and particle size ... (OH)3 Apperance : Powder Whiteness : 95%MINPurity : 99.6Min 2.Index of Al(OH)3 Al(OH)399 ... carrier;4, aluminium hydroxide gel is used in medicine;5, used in waterproof fabric, mordant, filler of rubber, ... ; Aluminium Hydrate; Alumina Trihydrate; Hydrated Alumina 64.5%min, 99.6%min Al2(OH)3 CAS NO. 21645-51-2