... as packing;OSB-2: MR glue, it can be used in the dry environment with weight capacity, such as ... packing and construction.OSB-2: Melamine glue, it can used in the moisture environment and with weight capacity , such ... indoor construction. OSB-3: WBP glue, it can be used in external wall coverage, roof coverage, flooring base, ceiling ... WBP glue.charlestel: 8615953693350 low price OSB board from factory