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

Baltic Russia Birch plywood grading rules and standards Grade BB

Baltic Russia Birch plywood grading rules and standards Grade BB http://www.sgknordic.com/en/catalog/view_birch_plywood/ Category of defects Amount of allowed defects Pin knots light Allowed Sound intergrown knots light color only Permitted Allowed up to an individual maximum diameter of 25mm with total quantity not more than 10 per  m2 Other knots Allowed up …

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