osb board,osb2,osb3,chinese osb ,osb Size:1220*2440/1250*2500mm Glue:mr ... material;OSB2:moistureproof melamine glue for construction indoor, furniture;OSB3:waterproof WBP glue for construction outdoor and furniture etc.2 ... polished3.UsageWood construction:externalwall coverage,roof coverage,flooring base,constructionalinsulation board,H beam,flooringPackage,container,shelf,pallet (for heavy machinery) ...