Thread: gel coat
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  #28  
Old November 1st 19, 08:20 PM posted to rec.aviation.soaring
Dave Nadler
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Posts: 1,610
Default gel coat
On Friday, November 1, 2019 at 3:02:17 PM UTC-4, Charles Longley wrote:
What’s the difference between P80 and 80 grit?

https://www.grainger.com/content/sup...andpaper-guide