Our Iron Powder Remover contains citric acid, sodium carbonate, and disodium EDTA. It can effectively remove stains on the surface of the car, restore a clean appearance, and form a protective film on the surface, further eliminate corrosion and rust, and extend life. Its use method is very simple: before use, please shake the product well and spray it directly on the rusty area. It can effectively remove iron powder rust spots and other metal particles on the surface of the car, provide a certain protective layer for the surface of the car paint, and reduce the adhesion of stains in the future.