I have been bit by that e-crap more than once. To many times had paint or primer flake or not adhere and go to bare metal and it was prepper properly, which means bad surface prep in the factory. I look at is what does some little chinese or taiwan guy got to lose if he doesn't remove all the oil used in the pressing process before sending it off to be coated. Its always been my way since last bad time, to completly strip the e-crap before an initial coat of epoxy primer.
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