Our Iron Remover Spray contains Nonionic Surfactants, Organic Acids, Solvents. It can effectively remove iron powder, rust and other dirt on the surface of the wheel, and keep the wheel clean. Its use method is very simple: spray an appropriate amount of this product on the part that needs to be cleaned, leave it for a few minutes, wipe it with a brush or rag, and finally rinse it off with water. After use, a protective film can be formed on the wheel surface to reduce the attachment of iron powder.