Removes surface rust from chrome, polishing aluminum until it looks new again. Great for sprucing up heirloom family silver. In 30 seconds or less watch a small, faded item go from dull, oxidized metal to having a perfect mirror finish. Simichrome also leaves an invisible, protective coating to prevent further tarnish to help keep the shine for longer. A favorite to use on your solder in preparation of patina. Will shine your zinc to a mirror finish