... .Glue: E1,E2,WBP,MR ,Melamine 4.Core: poplar,hardwood,birch, combi,eucalyptus,birch5:Grade: BB/CC,DBB/CC,BB/BB ... ,indonesia grade6.Face and back: okoume,birch,bingtangor,meranti,pine,pencil cedar and so on7.Thickness Tolerance ... : Pallet covered by plywood,then with metal strips for strength birch plywood