Grading Rules

Grading Rules

Baltic Russia Birch plywood grading rules and standards Grade C

Baltic Russia Birch plywood grading rules and standards Grade C 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 40mm Repaired defects ( inserts) Allowed Double inserts Allowed Close splits Allowed Open …

Read More »

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 ( …

Read More »

Baltic Russia Birch plywood grading rules and standards Grade CP

Baltic Russia Birch plywood grading rules and standards Grade CP 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 6mm with total quantity not more than 6 per m2. Total number of …

Read More »

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 …

Read More »

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 …

Read More »

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 …

Read More »

Baltic Russia Birch plywood grading rules and standards Part 1

Baltic Russia Birch plywood grading rules and standards http://www.sgknordic.com/en/catalog/view_birch_plywood/ Grades : B, S,BBx ( extra), BB, CP, WG, C, Shop Sizes,mm: 1525×1525, 2440×1220,2500×1250,1525×2440,1500×3000, 1525×3050 Ulltimate shear strength along the glue line-not less than 2.0 mPa Ultimate static bending strength along the fiber on the outer veneer ( thickness of sheets …

Read More »

Lumber Grade Rules

Lumber Grade Rules   This chart summarizes the main requirements for the standard grades. For complete information, consult the appropriate section of the NHLA Rule Book. FAS FIF SELECT #1 COM #2 & 2B #3A COM #3B COM FAS LIMITS Minimum Size Board 6″ x 8′ Same as FAS for …

Read More »

Import Plywood Grade Rules

Import Plywood Grade Rules Import Plywood Grade Rules Indonesian/Malaysian Grade Rules FD Grade Free-Of-Defect, very similar characteristics to an ANSI/HPVA “A” Grade. BB Grade Smooth, tight cut, full length veneer. Natural characteristics of the wood such as pin knots, sound burls, color streaks and spots are allowed. Dead knots, stain …

Read More »