Aluminium Oxide Al2O3 % Min 15.80-17.00. Iron Fe Content% Max 0.50-0.0005. Water Insoluble Matter % Max 0.15. PH Value 1% Aqueous Solution Min 3.0. Heavy Metals As Pb % Max 0.002. AS % Max 0.0005. Type Flakes . Packing 50kg/P ...Read More