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Thread: A1 vs AA grade plywood

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  1. 06-20-2012, 05:14 PM #3
    martymayes
    martymayes is offline
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    A1 simply means it's pretty on both sides. For DF it's usually vertical grain face veneer with unknown core quality and type glue. You need something with WBP glue and no voids. Marine grade DF is probably the lowest cost option suitable for use in aircraft construction but don't use it as a plans substitute.
    Last edited by martymayes; 06-20-2012 at 05:16 PM.
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