I’ve recently been getting into polishing paint jobs to a flawless finish. I quickly noticed that 600 grit takes forever to polish out 400 grit sandpaper if it does at all. I’ve even tried powersanding with the 600 till it goes dull (or builds up) and I still see the 400 grit marks. It seems like I must be missing something, or I’m just being impatient, but damn if its the latter, my arm is sore. And why is there no 500 grit paper. Also, I noticed the 0000 steel wool takes out the 400 grit marks quickly but the the 600 grit has an equally difficult (if not harder) time taking those marks out. Anybody found the solution to get through the 600 level quicker than I’ve been.
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