Plywood Glue Bond Durability Classification Special thanks to the original source of https://apawood-europe.org/products-trademarks/plywood/trademarks/glue-bond/ . APA trademarked panels are produced in two bond classifications, Exterior and Exposure 1, both meeting the performance requirements of EN 314: Plywood – Bond quality. Exterior: Adhesive bond capable of withstanding repeated wetting and re-dying or long-term exposure to …
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