OSB(oriented strand boards) 3 size: 1220x2440mm,1250x2500mm thickness:6mm-25mm glue: E1 E2 MR MELAMINE WBP grade:osb1,2,3, ... Oriented Strand Board 1)Thickness: 6mm,8mm,9mm,10mm,11mm, 12mm,15mm,16mm,18mm,20mm ,21mm,25mm 2) Size: 1220* 2440mm , 1250 ...