TANION RC is a chemical Rust Converter which also serves a protective black coating. The best paint even cannot give full protection if they are supplied on metal surface which is not rust free. Durability of paint film depends upon the quality of surface to be painted and quality of paint. Various rust removing methods as sand blasting, flame cleaning, wire Brushing grinding by abrasives are not only expensive but time consuming. Moreover, they expose the bare metal again to instantaneous corrosion and rust may appear before primer coating is applied.