-you mention that the Epoxy only has "x" amount of time after being sprayed (the PPG Dp series) - I expect that this will be a several month long project, so I assume that's too long - So all I have to do is scuff and re-spray and it'll be fine?
We use Dupont final clean wipe it down with one clean rag, Wipe it off with another then wipe the car down with a tack rag.
- as far as actually spraying color - is there any sanding between coats, or just a color sand and buff after the clear is sprayed? How about in between coats of clear? Do i need to sand, scuff, wipe clean, anything between color/clear coats?
No need to sand between coats. If you put a run in the color you can let it dry, sand it out and repaint the spot but no need to sand otherwise, Just let the paint flash between coats, tack it off and spray more color.
Same with the clear, No sanding between coats.
When we color sand the car we nib it down with a special 1500 DA paper. Its about $4 a sheet, Then we wet sand with 1500-2000 and buff.