Our car rust cleaner contains sodium carbonate, disodium EDTA and isopropyl alcohol. It can effectively remove stubborn rust on the wheel hub and restore it to its original state. Its use is very simple: just spray the spray on the rust, wait for the stain to dissolve, rinse it off with water, and finally wipe it with a clean dry towel or let it dry. And can quickly dissolve dirt, saving cleaning time.