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

Baltic Russia Birch plywood grading rules and standards Grade S

Baltic Russia Birch plywood grading rules and standards Grade S 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 20mm with total quantity not more than 2.5 per 1 m2 Any dark knots …

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