Quote:
Originally Posted by cornerstone
Is there an advantage in using a red scotchbrite pad over 320 grit sandpaper since they are basically the same grit?
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I like to use scrotchbrite when hard to reach areas are involved because the fibers reach much better than sandpaper. I also use it over EDP when I'm getting ready to spray epoxy over it. It's also my experience that 320 loads up pretty quick and wears out fast. I can't remember the last time I used 320, it's in an area of the grit spectrum that I don't use. The highest I go with dry sandpaper is 220 when I'm blocking. Then I jump to 600 wet for final sanding before sealer or base. When I say "jump", I mean I don't use any grits between 220 and 600, not that I go straight from 220 to 600 when sanding. I've never been good at getting all of the sand scratches out when going through the blocking steps and ending with 600, I always miss scratches. So once I'm done blocking with 220, I spray another coat or two so that I have a fresh coating to final sand with 600 so I know I won't have scratches coming through. Probably more info than you wanted.