Our Rust Converter contain Water-Based Primer, Surfactant, Metal Chelating Agent. It can remove the iron powder and rust on the car, prevent the paint from rusting twice, convert the rust into a protective film, and protect the original surface while removing rust. The way to use it is very simple: clean the surface of the object, evenly apply a layer of this product, and wait 10 minutes. After use, it can protect the metal surface from oxidation, restore luster, and prevent rust again.