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polyurethane issues
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  1. Wood Finishing
    Here's my problem: I have a slight gritty texture in my PU finish. Here's my process; -Imron PU primer with 40% catalyst and 15-20% reducer(butyl-acetate) depending on daytime temps. 1 coat. -let dry 4 hours then buff smooth with 220 pneumatic buffer. -blow off dust and debris in spray booth...
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