While you're at it, sand all the other areas you treated for rust to smooth them out and prepare them for painting. Any spots you've sanded down to the bare metal must be primed before you paint ...

Another issue with oil-based paint is its tendency to turn yellow when applied to areas that don't get much light. So, if you intend to rust-proof some metal piping in a utility room or basement ...

'White vinegar is a fantastic natural solution. Simply soak a cloth in white vinegar and apply it to any rusted areas, ...

So if there's aluminum, magnesium, or a pot metal on the car ... chemical dipping is the most thorough way to remove all paint and rust from a car body. It gets to places that physical medias ...