... Density: 680-720KG/CBM OSB/2, MR glue, for construction indoor, furniture and packing board. OSB/3, with better ... plywood or solid wood plank, have been widely used for construction outdoor, roof decking, roof sarking, wall sheathing, flooring, ... , hoardings, signboards and portable buildings. Features of OSB: 1) Tight construction and high strength 2) Minimum twisting, delamination or warping 3 ...