Chem-Carb [india] supplies Hard China Clay Powder. Chem-Carb [india] also supplies and exports chemicals like Calcium Carbonate, Precipitated Silica and Oyster Shell Calcium Carbonate. The Hard China Clay Powder is used in Rubber Industries, PVC and Cable Manufacturers, Paints, Pharma, Dentifrice, Footwear Industries, Adhesives, Inks, Plastics, Detergents and Paper Industries.