This can be used on: brass, copper, silverplate, sterling silver, chrome, stainless steel, nickel, bronze, gold, aluminum magnesium, platinum, pewter, factory hot gun bluing, painted surfaces, glass, perspex, plastics, fiberglass, eisenglass. Removes tarnish, rust, water stains, chalking, lime deposits, heat discolouration, lead and powder residue, oxidation, bugs, tar, oil, fingerprints, tree sap, bird droppings, graffiti, black streaks and scuff marks off any non porous surface. Used for cleaning the yellow hazing from headlights as well as black streaks from caravans and boats.