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Old 07-06-2012, 09:50 AM
tech69 tech69 is offline
put up or shut up
 

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I wouldn't do a 320 on a light silver but I haven't seen any issues from using a 320 and I know quite a few guys who use it. The only time where I saw procedural issues in regards was a guy who used 220 on his primer then sealed it with a 2k mixed a tad thick. Soon as the sun hit it the thing shrunk and revealed huge scratches. It was a silver car. In our shop in the body area we block with 320 dry then it goes to the paint area and the painter uses a scuff pad with a piece of 600 da paper on top and goes over it real quickly but not guide coated or anything. Just kind of buffers out our scratches a bit. I think if there was a problem with 320 scratches it would have some to do with the color and/or sealer pinching up as it cures.
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