... 9mm,10mm,11mm,12mm,15mm,18mm,21mm,25mm Size:2440x2440;1250x2500 Density:680-730kgs/cbm OSB(oriented strand board):Thickness: 9mm, 10mm ... 1250Glue: E2/WBP glue(Waterproof glue),Melamine glueGrade: OSB-1, OSB-2, OSB-3Density: 680-730kgs/cbmUsage:can be used for roof ... decking,roof sarking,wall sheathing flooring,hoarding,signboards and portable building,packing or construction. Construction OSB