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sand paper and powder coat

Started by angler, May 02, 2009, 11:42:08 AM

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angler

May 02, 2009, 11:42:08 AM
I'm going to send my triples to the powder coater next week.  Before I do, I want to clean up the casting ridge on the lower and maybe grind off the handle bar mounts (may leave them to attach damper and/or accessory mounts).  My question is, what grit sand paper will I have to get down to so that the scratches don't show through powder coat.  I'm going to use a flap sander on my angler grinder and/or my belt sander.  I think I've got 80 grit down to about 220 grit on hand.
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ducpainter

#1
May 02, 2009, 01:08:51 PM
Ask the coater what he wants, although I think if you start with the 80 and finish with 220 it should work.
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He Man

#2
May 02, 2009, 01:14:25 PM
From my personal experience (which isnt that much)if a good chunk of your finger nail can get caught on it, then youll want to sand it down. to where you can feel it slightly. I usually do 2-3mm of powder and that has covered up most minor scratches.

If you can feel it, but you cant really dig your nail into it, id say your fine.
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