What kind of glue does plywood use now?
According to the environmental protection grade, the glue used for plywood can be divided into E0 grade, E1 glue, E2 glue (and unqualified glue which can not reach E2 grade). E0 class is the highest environmental protection level. Plywood made of grade E1 glue can be used directly indoors.High quality urea formaldehyde adhesive / melamine adhesive / phenolic resin can be up to E0 and E1 grades, which can be used directly in the room.
1, if the production of wood products in general indoor use, can use E1 (or E0) UF glue; if the waterproof performance is further to let the wood have more words, you can use the E1 class (or E0) melamine glue.2, if you want to make outdoor wood products, you can use E1 (or even E0) phenolic resin.
Depending on the composition of the gum, the glue used for building plywood is as follows:Urea formaldehyde adhesive: moisture-proof glue / for interior decoration, furniture, not for outdoor use.Melamine glue: moisture resistant, and has a certain water resistance and climate resistance / can be used outdoors or indoors, but not often immersed in water.Phenolic glue: moisture proof, excellent water boiling resistance and climate resistance characteristics can be used for outdoor or indoor / outdoor, can withstand exposed to wind and rain.
