Automotive Painting Guide: Prep, Sand and Mask
So painting a car in the fairly recent old days meant starting by laboriously hand wet-sanding the entire body (after any necessary bodywork, of course) with 180 to 220 grit paper, feathering out chips and scratches as mentioned, and then going back over the whole thing with 360 to 400 grit wet-sanding.
WhatsApp: +86 18221755073