The goal: to change the color of a few new, factory-painted steel parts. I lightly sanded all surfaces with 800g emery paper. Cleaned up with denatured alcohol. Sun dried.
First coat of spray enamel went on and dried to a fine gloss finish. Dried overnight inside and put outside again in the sun while I was at work for a thorough drying.
Came home, lightly sanded again, cleaned with d.a., dried, and sprayed a second coat.
Almost immediately (less than 10 seconds) the coat took on a curdled look. Sort of wrinkled. Not "orange peel", but it looks like the cracks in a dried lakebed. This effect was apparent on all parts I sprayed with a 2nd coat, not just one.
What did I do wrong?
Obviously I'll have to dry it, sand down to the original finish and do it all again.
What should I do differently?
Paint is Rustoleum "industrial strength" enamel.