Chemtura corporation is one of the world’s largest specialty chemicals producers and dealers, which is leading the way in many market segments. Calcinate^TM overbased calcium sulfonate products have both suppression, extreme pressure and wear-resistant functions, which have been widely applied in industre and metal-working industry. Sulfonic acid barium products are oil-soluble products with high molecular weight, which can effectively provide demulsification, cleaning and the optimal antirust performances. They have been widely applied in industrial lubricant, grease, hydraulic fluid, flushing oil and various other circumstances.