Our metallic paint contains citric acid and sodium gluconate. It can react quickly with the rust on the metasurface to effectively remove the rust layer and re-maintain the finish of the metal surface. Citric acid can react with iron ions in the metal surface rust to dissolve and remove it, so as to achieve the purpose of rust removal. Its use method is very simple: 1. Ensure that the use area is well ventilated, and wear gloves. 2. Clean the oil on the metal surface to ensure that the metal surface is dry and free from water stains. 3. Use a brush to evenly apply the rust removal paint on the rusty area, and wait for it to dry to form a protective film. Metal rust removal paint professional grade effect, quickly remove rust on metal surface. The long-lasting formula forms a protective layer and slows down the corrosion process.