PLYWOOD GRADE IV (C)

 
Grade IV (C) – allowed any manufacturing defects. Partially fused, non-united, loose knots, holes from them wormhole allowed in unlimited quantities diameter not exceeding 40 mm, can only be guaranteed a good bonding. Their most cheap varieties of plywood, which is used for use in building construction and packaging, when the appearance of the face of the plywood plays a secondary role.

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