According to the different composition of the glue, for the construction of plywood with the following types of glue
High-quality urea-formaldehyde glue / melamine glue / phenolic glue can reach E0 level, E1 level, that can be used directly for indoor
E0 is the highest environmental rating. E1 grade glue to do the plywood can be used directly for the interior.
According to the environmental protection level, the glue used for plywood can be divided into E0 grade, E1 glue, E2 glue (and even E2 level are not reach the unqualified glue)
