Russian Birch plywood is desired for its multiple plies of birch veneer that provide superior stability and strength. Russian Birch plywood is typically produced with all birch veneers. It is also possible to get product utilizing Pine or Aspen veneer blended into the panel.
B: Select one-piece face has uniform appearance and is free from defect. This face grade is uniformly sanded.
BB: One-piece face generally light and uniform in color. Pin knots and small sound tight knots are allowed. Occasional "football" patches are color matched to the veneer. Sanding is smooth.
C: Open defects, all sound defects, streaks and discoloration allowed. Does not have to be sanded.