Industrial aluminium hydroxide is used as a feedstock for the manufacturer of othr aluminium compounds,such as calcined alumina,activated alumina,aluminium nitrate and so on. ITEM Al(HO)3 % SiO2 % Fe2O3 % Na2O % PH D50 Micron Moisture % 80W 99.5 0.04 0.02 0.3 7.5-10 65-85 5 80K 99.5 0.04 0.02 0.3 7.5-10 65-85 0.2 80 99.5 0.01 0.01 0.2 7.5-10 82 0.05 90 99.5 0.02 0.01 0.2 7.5-10 85 0.2