Alumina Hydrate : (Aluminium Hydroxide) : Chemical Formula Al (OH)3 U.N.No.2463 Packing : 50 Kgs HDPE Laminated bags with thick inner liner. Physical Property : White Powder containing 4 to 5% moisture. Mesh size 200. Chemical Property : % of material as Al(OH)3 is 94-95%. Na2O contain 0.25 to 0.30%. Silica as SI02 - 0.012 to 0.015%. Fe2O3 0.010 to 0.015%. Uses : Glass, Ceramics, Iron-free aluminum and aluminum salts.