Vehicle Hub Parts Rust Cleaning And Decontamination Retrofit Multi-Function Rust Remover 2pcs Rayhong Rust Remover Our Rust Remover contains Citric Acid， Sodium Carbonate， 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: clean the paint of the car with a dry cloth， pour the liquid on the cloth and smear it on the car， wait 1-3 minutes for the liquid to dry， clean the liquid with a towel， for the traces that are difficult to remove， wipe with some strength until the paint disappears. It can effectively remove rust and make the vehicle look new.