TECTYL 190 Black is a black colored, solvent cutback, rubber/resin based corrosion preventive compound recommended for the protection against corrosion and abrasive damage of ferrous metals and the underbodies of autos, trucks and trailers. It is fast drying, has sound deadening properties and can be painted over. TECTYL 190 Black cures to a black, firm, resilient, tough film.