Our Iron Powder Remover contains citric acid, sodium carbonate, and disodium EDTA. 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. Its use method is very simple: first rinse off the sediment with clean water, then spray the product on the car, scrub repeatedly with a sponge to promote the dissolution of the stain, rinse the stain with clean water, and finally dry it with a towel. It can remove iron powder at the same time, but also provide a certain protective layer for the surface of the car paint, not only for cars, but also for motorcycles, bicycles, boats and other vehicles.