Rust Converter Recommendations. Aerosol for sun faded/surface rust car.

Backally said

There are people way more knowledgeable than me here, but my $0.02. Had heavy surface rust under my brake master cylinder when I bought the car, I am sure from spilt fluid. I wire wheeled the area, sprayed a rust encapsulator, primed and painted. That had to be 6 years ago, rust has not reappeared.

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Anything that seals out moisture from metal will stop rust. Bodyshop guys shun the ecapsulator, they want their primers/paint of SOLID metal, not a hunk of rust that has been "killed" or turned into great steel? . Metal has 2 sides so 2 sides to worry about sometimes. If it works for whoever, that is great.