There has been some discussion on powder coating wheels, not many have done it. Here is a link that contains other links for further discussion. I don’t know if this will help or not. Good luck and if you decide to go this route keep us informed as it isn’t run of the mill.
http://www.300cforums.com/forums/srt...ht=powder+coat
http://www.300cforums.com/forums/srt...ht=powder+coat