Our car rust spray contains citric acid, sodium carbonate, and disodium EDTA. It can quickly and effectively remove rust from various metal surfaces, helping to remove dirt and rust, keeping the surface of your wheels shiny and durable. Its use method is very simple: 1. Clean the metal surface; 2. Spray the product evenly on the required parts; 3. Clean with a brush or towel. 4. Rinse with water. Auto rust removal spray helps restore the appearance of metal, extend its service life, and save expensive replacement costs for a cool new look. Ideal for industry, homes and cars.