... 4.Grade:OSB2/OSB3 5.Density:600-650KG/cbm. Grade: OSB-2, OSB-3 Thickness: 6mm, 8mm, 9mm, 10mm, 11mm, 12mm, 15mm ... WBP glue Density: 680-720KG/CBM OSB/2, MR glue, for construction indoor, furniture and packing board. OSB/3, with better features of much ... the OSB 3 is for use on flat roof situtaions, a far better product than standard chipboard or particleboard. Chinese osb board/oriented strand board