Tom... you can indeed powder coat clear over polished surfaces. You just have to give it a "bath" in something that kills the waxes and organics first is all. I've always found a dip in Hydrochloric (15% solution) works best in these circumstances. Low cure temp on the powder and bring it up slowly to avoid any oxidation and no doubt the results will be a lot more to your liking. Personally I'd use the Zoop but that's just my experience unless you want to clear coat it with a "tint". THEN I'd use a powder coating.
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