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Title: Small black marks on old surface rusted panels Post by: graham_fuller on January 01, 2016, 10:51:17 PM Hi all,
I am working on previously surface rusted panels. I have stripped the paint off these panels and polished the black marks with a clean and strip disc, I,have then used Septone rust converter. The question is have I done enough to now etch and undercoat the panel? Do the black spots need to be gone altogether? Will the rust come back after I have fully painted the panels? Cheers, Graham Ps Happy New Year. |