Coating Terms

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Functional pigments added to the paint formulation in order to improve the corrosion resistance of the paint. Most widely used anticorrosive pigments are: chromates, phosphate, phosphosilicate and borosilicate salts, having controlled water solubilities and inactivating the metal surfaces; zinc powder, cathodically protecting the coated metal surfaces; and micaceous iron oxide (MIO or MIOX), having a plate-like structure and acting as a water barrier for metal surfaces.