OCCL Limited is an India-based company, which is engaged in the manufacturing of insoluble sulfur. The Company's products include insoluble sulfur and sulfuric acid. Its insoluble sulfur products include regular grades, special grades and high stability grades. Its regular grades include Diamond Sulf OT-20 and Diamond Sulf OT-33. Its high stability grades include Diamond Sulf OT-20 HS. The Company's special grades include Diamond Sulf OT-20 HD, Diamond Sulf OT-20 UHD, Diamond Sulf OT 25 AS, Diamond Sulf Vulcamax, Diamond Sulf OT 16, Diamond Sulf 60, Diamond Sulf 60 OT 10 and Diamond Sulf 35. It manufactures commercial grade, battery grade sulfuric acid and oleum. Its product is used as a dehydrating agent, catalyst and active reactant in chemical processes, solvents and absorbents. Its battery grade is used in storage batteries, rayon, dye, acid slurry and pharmaceutical applications. Its commercial grade is used in the manufacturing of steel, heavy chemicals and super-phosphates.