I have never dealt with the stuff - but am I reading this correctly that is not UV stable and will chalk up and fade? What were all the old tractors painted with then, as the ones I have used or been around arent chalky. Faded, sure, but 40+ years old is gonna fade that is what happens to all things exposed to the elements and the sun. I am after a paint for a flatbed work truck that holds up well to demanding environments and looking to spray it myself. Not looking for fancy, probably black or dark gray. Was considering JD-BB but not if its going to fail in a short couple years!