A coating chemical is a type of chemical that is applied to a surface in order to improve its properties. These chemicals can be used to protect the surface from corrosion, to provide a decorative finish, to provide a protective coating, or to provide a non-stick surface. Coating chemicals are typically applied in the form of liquids, pastes, or powders and are available in a variety of formulas depending on the specific application. Popular coating chemicals include paints, sealants, primers, and lacquers.