Barium Petroleum Sulfonate has excellent moisture resistance & water displacement properties; it can also prevent black & nonferrous metals from rustiness. It is used in formulations where high level of nonstaining rust protection is required. It has good oil solubility after heating and forms a protective coating on the metal surface to protect the metals. Application areas are corrosion inhibitor in mill oils, rust preventatives, coatings and greases, demulsibility, nonstaining. Used as wetting agent, dispersant and corrosion inhibitor in engine oil, utilized for formulating greases, slushing oils, hydraulic fluids other industry products.