Dry sand using 180-grit sandpaper to remove rust or surface damage before moving on to a 320-grit paper to remove your previous 180-grit scratches. Whichever method that you decide, follow it up using 400- to 600-grit sandpaper to sand the paint to prep the existing paint surface for the new coatings to be applied.
Subsequently, can you buff out 800 grit sandpaper?
You need a compound to buff this out, compound buffs out scratches in the paint like 800-grit but you don’t wanna buff over 800-grit since it’s way too coarse. … You need to be careful not to cut through your paint because if you do cut through the clear coat then you’ll have an issue.
Accordingly, does wet sanding remove deep scratches?
Small scratches can usually be rubbed out with polishing compound. … For deeper scratches, polish isn’t abrasive enough to fix the problem. For a deep scratch that’s visible even when you wet it down, you have to physically sand the area with a solid abrasive, such as sandpaper.