The Autosol Metal Polish formula polishes: stainless steel, chrome, brass, copper and many more. Autosol Metal Polish removes common problems such as surface rust, discolouration, tarnishing, staining and oxidation with ease. The metal surface is left with an ultra-thin wax coating to prevent the surface from further degradation and corrosion. Autosol Metal Polish is certified by NSF International, a global public health and safety organization, and has been declared safe for use around food processing areas. This product is non-toxic and ammonia free, making it ideal for household, automotive or industrial use.