Thread: dust

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will add one thing the 3m 600 gold back is more like 400 grit and watch the sand paper edges of the fresh paper so you do not dig trenchs in the fresh paint you can sand it out with 1200 to 400 this has alot to do with how much junk in the paint the smother the less grit you need. you do not want to cut past the paint over sand . use a old dish soap bottle or a spray bottle you do not want to flood with water .if you do not get at all the water out it may come out when you are painting if it has clear on it you sure in hell do not want to cut past the clear and to coarse paper may not melt the paint back in good so if you should not go to coarse