Not Ranked
No pro here, but epoxy is very stable, inert, and works well to prevent any solvents of the undercoats and topcoats from influencing each other/bleeding through.
On a bare metal resto, it is comon practice to apply an epoxy primer to the newly cleaned/exposed metal, do the body work with filler, followed by highbuild primers, then go back and seal the whole mess again with epoxy (sometimes thinned a bit).
Tough stuff.
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Ron R
"Dishwasher? I thought that was for cleaning parts!?"
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