RR,reelrazor wrote:This is the company I work for..the art page of the owner's check out "assorted flowers"..none of that is paint he heats and coats the metal then washes it off leaving a finish..colored or not...the green is a copper sulfate I think...the brown on the 'trunk' of the sunflower, I dunno...and the the yellows??
http://www.moraniron.com/moraniron-artwork.html
Most of his stuff sits outside...some of it for years and it seems pretty impervious.
hmm, trouble is that they do not take the kind of heat pipes do. Still worth a shot though