I did a test of the Rust-Oleum Industrial Choice brand rattlecan enamel stuff on some metal, exploring its abrasion resistance. (OK, not WWing exactly , but it is on something used in WWing...if that counts.) Sanded rust & millscale off some schedule 40 pipe and wiped clean with some acetone-soaked cloth. Applied the matching primer & let dry for a couple of hours in a ~20*C room. ...