Aluminium Hydroxide Magnesium Carbonate Co-Dried Gel contains minimum 40.0% of Al2O3, 6.0% of MgO and 12.0% of carbonates. The Co-Dried Gel is useful where a formulation consists of magnesium carbonate and aluminium hydroxide. The Co-Dried Gel consists of maximum 0.70% sulphate, 0.40% Chloride, 200 PPM iron and 5 PPM Arsenic. Aluminium Hydroxide Magnesium Carbonate Co-Dried Gel is insoluble in water, ethanol and available in 0.15 to 0.20 gm/cc density range.