Rust Bullet on outer sheet metal?

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I've searched a bit but can't find anything definitive on this. It seems rust bullet and por-15 get talked about a lot for frame rust coverage and other under body places. I was wondering about rust bullet for some rust touch up on the inner wheel well lips and a couple of spots on the rocker panels. My plan would be to top coat with the regular vehicle color. Any issue doing it this way - or issues with this product? I like the simple prep that is advertised.

Thanks,
Jim
 
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Worked well

I did exactly as you described and it worked well. Make sure it is a DRY day with 0% chance of rain and low humidity. Apply then let dry for an hour and come back over it. Let dry for 24 hours and use paint. I didn't use a primer on my job.
 
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I don't know for sure, but I think most if not all "rust neutralizers" use phosphoric acid as the active ingredient. It just comes with different names on the labels. I have used different ones at different times. They all act the same, they even smell the same.
 

Trollhole

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Rust Bullet works well. As stated you must topcoat it if it's going to see any sun. Otherwise it will chaulk. Also make sure you do thin coats. A thick coat will cause small bubbles in the paint.
 

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