From the traditional sense, painting equipment generally has a protective and decorative properties of the coating material, generally these properties are unidirectional. Therefore, the surface treatment before coating metal must be rust, phosphate (oxidation) in order to protect the basic properties of the product.
Surface treatment before painting (also known as pre-treatment process) is an important part of good or bad a direct impact on the life of coatings and decorative effect. The purpose is to paint pre-treatment of the substrate surface to remove oil, rust and other foreign matter, provide suitable clean surface coating, can significantly improve the coating adhesion and corrosion resistance.
