After reading about the danger of isocyanates I wonder if I want to even bother with hardener. Don't get me wrong about how it effects paint. I've painted at least a dozen vehicles in my day and I assume it was just as deadly back then.
But done properly and left to dry the enamel should look ok and be easy to touch up.
But done properly and left to dry the enamel should look ok and be easy to touch up.