blockboard 1.Size:1220x2440mm 2.Thickness:15/18/19/20/22/25/44mm 3.Glue:MR, E1,E2 4.Core,face/back, as customers' requirm blockboard1.Core: poplar, pine, falcate, paulownia,ect. 2.Face/Back:Melamine paper,Okoume,Bintangor, keruing, or as customers' requirement.3:Glue: MR,Melamine, E1, E24.Moisture Content: Below 12%.5.Grade: BB/CC,BB/BB good quality blockboard