WHAT’S THE DIFFERENCES BETWEEN OSB2,OSB3 AND OSB4 PRODUCT?

OSB2: MR glue, it can be used in dry environment and with weight capacity, such as packing and construction.

OSB3: Melamine glue, it can be used in moisture environment and with weight capacity, such as outdoor and indoor construction.

OSB4: WBP glue, it can be used in external wall coverage, roof coverage, flooring base, ceiling construction insulation.