Apparently my metal was not Rusty enough. It took forever for this to dry hand the item I was working on was in a heated Workshop. I sanded down we're nearly most of the rust was gone and wiped the metal off with mineral spirits. I waited till the next day to paint. The paint did go on nicely. But after two days it's still had an oily residue on it. The regular rustoleum primer would have been better for my project. My advice is if your metal is fairly decent and the rest is just very light is to use the regular rustoleum primer.