Aluminium Hydroxide; Hydrated Alumina 64.5%min, 99.6%min Al2(OH) ... ;3, used in making kinds of catalyst carrier;4, aluminium hydroxide gel is used in medicine;5, used in waterproof fabric ... inquiries if you have any questions about our products. Aluminium Hydroxide; Aluminium Hydrate; Alumina Trihydrate; Hydrated Alumina 64.5%min, 99 ...