Help painting urethane rubber

I would like to paint a semi-flexible urethane stick-on finlet. I’ve heard about automotive bumper primer and something about flex additives in the color coat. Does anyone have any experience with this? Product brandnames will help. Herb?? Thanks, Rob Olliges

Rob, go to the source, ask questions, check the archives: http://www.autobodystore.com/cgi-bin/config.pl?index Try this for a place to start on painting flexible urethane: http://www.autobodystore.com/cgi-bin/archive4/config.pl?read=7587