crashtech
Combo Man & Mod
I have an Axalta rep who always rags on me about how I'm killing the durability of my paint jobs because I often like to give top surfaces a bit of a light sand and polish. Most of the time it's to remove small defects caused by dust, but the panels will get an all-over light sanding with 3000 to help blend in where the defects have been repaired, light as in just knocking the tops of the orange peel off. He says the UV additives float to the top, and that they are therefore removed by polishing. I'm thinking they can't all be floating up, there are two wet coats on my average repair job. Horizontal surfaces in particular see pretty good mil thickness. I've never felt that the jobs were at risk at all, but is he right? About how much durability is taken away by a light sand and polish?