Anyone care to donate a polished piece of flat metal...one aluminum, one steel, one stainless and maybe someone out there chrome a piece of steel? That way the test pieces are "neutral" if you will. I strongly believe it has to do with the porosity of aluminum somehow affecting the way it looks once clear coated. If you think about it....Polished aluminum can be ruined very easy where as a polished piece of stainless or chrome can keep its shine with less maintenence...i'm willing to experiemtn though.
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