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Tropical Hardwood Plywood Grading Rules

Tropical Hardwood Plywood Grading Rules Grade Description BB Face CC Face Overlay Face Utility Face Burls, Sound Yes, smooth Yes, smooth Yes, smooth Yes, smooth Pin Knots Sound, not clustered Sound Sound Yes Knots – Number/Arrangement/Size 4 per 4′ x 8′ panel, not clustered 6 per 4′ x 8′ panel, …

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