@Michael Pickett posted:@ALB, beautiful job! Those thinners seemed to do the trick.
I've sprayed urethanes/polyurethanes a few times over the years; being an industrial paint, they are a little more difficult to work with and get a really nice, automotive quality finish. It's just not what that type of coating was originally designed to do. I've always followed mixing volume instructions precisely using the proper temp thinner for conditions (almost always medium for anything around room temp, iIrc) and never failed to produce decent finishes (the guys were always happy and thought it looked great) but after the 2nd or 3rd time thought it could be a wee bit better. This time around I talked Nelson into letting me buy a liter of slow thinner as well as the medium (the gentleman at the autobody supply store didn't think the slow thinner was necessary) and, working in balmy 78- 80° weather, I mixed the first coat with the recommended amount of medium speed thinner, mixed 20-25% slow thinner into 2nd coat and 3rd coat was close to 50% medium/50% slow thinner (and a splash more thinner than recommended overall as well). It gave the top coat just that little bit longer to flow and outgas before skinning over and produced (what I consider) the nicest finish yet! And that's my brother in the background...
