Our car iron powder rust remover spray contains sodium carbonate and disodium EDTA. It can remove iron powder and rust on cars, prevent secondary rusting of the paint, convert rust into a protective film, and protect the original surface while removing rust. Its usage is very simple: spray the product on the areas that need cleaning, then rinse with clean water and wipe dry with a towel. After use, it can protect the metal surface from oxidation, restore shine, and prevent rusting again.