Tag Archives: Baltic Russia Birch plywood grading rules and standards Grade WG

Baltic Russia Birch plywood grading rules and standards Grade WG

Baltic Russia Birch plywood grading rules and standards Grade WG http://www.sgknordic.com/en/catalog/view_birch_plywood/ Category of defects Amount of allowed defects Sound intergrown knots light color only Allowed Other knots and knot holes Allowed up to an individual maximum diameter of 15mm with total quantity not more than 10 per m2. Repaired defects ( …

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