Montana REMOVER spray dissolves and removes lacquers quick and thoroughly. Pollution free etching spray for most usual types of lacquer. Do not use on cars! Application is possible on many surfaces such as, walls, clay bricks, stone, concrete surfaces, marble, asphalt, glass, metal and wooden surfaces. It becomes a gel-like consistency, to keep from running off vertical surfaces. Application on non-ferrous metals might cause discoloration. Content is ph-neutral.