It is also known MR (Moisture Resistance) plywood or structural plywood. Knots are allowed on both surfaces of the plywood. Face is usually of C/D or D/D grade. As the plywood surface does not have a good appearance finishing, the plywood is usually use for temporary protection, site storage or coverage purpose whereby the looks do not matter. Applications: Protection …

The marine plywood is made using thick and high-grade veneer and the core veneer must be voids free to be classified as marine plywood. Marine plywood is bonded using Type A top grade phenolic bond, making it structurally stronger than the other variants of plywood. The plywood must be able to pass the stringent water boil proof (WBP) test. As …

The WBP plywood is whereby the veneer layers are glued using WBP adhesive. The WBP plywood offers a higher quality surface finish, and is also less susceptible to shrinkage and expansion compared to the regular hardwood plywood. WBP plywood should be able to pass the hot water boiling test without delamination and also undergo wet and dry conditions repeatedly without …