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

Baltic Russia Birch plywood grading rules and standards Grade B

Baltic Russia Birch plywood grading rules and standards Grade B http://www.sgknordic.com/en/catalog/view_birch_plywood/ Category of defects Amount of allowed defects Pin knots light Allowed , not more than 3 per m2 Sound intergrown knots light color only Permitted Allowed up to an individual maximum diameter of 15mm with total quantity not more than …

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