What is a Patina? Patina is a brown or a green film found on the surface metals like copper, bronze, and similar metals. It is due to prolonged exposure. Oxidation or different another chemical process produces this tarnish. Get info…
What is a Patina? Patina is a brown or a green film found on the surface metals like copper, bronze, and similar metals. It is due to prolonged exposure. Oxidation or different another chemical process produces this tarnish. Get info…