Grade “B”: Single piece veneer of light and uniform colour. A few small pin knots and some brown streaks are allowed. Veneer of this grade is intended for natural finishes. Patches are not allowed. The majority of Grade B veneers are the equivalent of the American “white birch” faces.
Grade “BB”: Single piece face has light and uniform colour. A few sound tight knots and pin holes are permitted. Open knots and defects are replaced with small oval or round veneer patches before gluing. The patches are selected to closely match the background colour.
Grade “CP”: Single piece face is very close to Grade BB in quality. Thin splits are allowed. The oval or round patch may have a different colour from the background.
Grade “C”: Open defects such as open knots and veneer splits are allowed. Sanding is not required. Recommended for the building of containers and dust panels; can be used for crating and in manufacturing, where construction and strength are more important than the appearance.
Baltic birch is available in standard thicknesses from 3mm to 25mm, in 5'x5', 4'x8' and 10'x5' sheets. Special thicknesses and tolerances are available for laminating face veneers on cross grain platforms and for flat die board applications.
Baltic birch is graded B, BB, CP or C by face quality. Grade B is intended for natural finishes. BB allows small veneer patches selected to closely match the background colour. CP is very close to BB, but its patches may differ in colour. C allows open defects and is meant for uses where strength matters more than appearance.
Baltic birch is made with multiple plies of birch veneer used uniformly throughout the panel, giving a multi-ply edge and a virtually void-free construction with strong machinability and screw holding strength.
Grade C is recommended for building containers and dust panels, and can be used for crating and in manufacturing where construction and strength matter more than appearance.
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