... 4.Grade:OSB2/OSB3 5.Density:600-650KG/cbm. Grade: OSB-2, OSB-3 Thickness: 6mm, 8mm, 9mm, 10mm, 11mm, 12mm, ... packing board. OSB/3, with better features of much more durable, much stronger, as a good replacement of thicker plywood or solid ... , flooring, packaging, hoardings, signboards and portable buildings. Features of OSB: 1) Tight construction and high strength 2) Minimum twisting, delamination ...