chemicals : Calcium Carbide, Caustic Soda, Iron Oxide, Sodium Sulfide, Sodium Sulfate Anhydrous, Sodium Sulfite Anhydrous, Sodium Bicarbonate, Soda Ash Light and Dense, Sodium Carboxy Methyl Cellulose (CMC), Zinc Oxide, Sodium Hydrosulfide, Glacial Acetic Acid, Formic Acid, Titanium Dioxide.