bingtangor face/back,poplar core,MR glue,1220*2440*1.8mm-20mm. BB/CC grade plywood face/back including bingtangor,okoume,hardwood,pine,marsawa,pencil cedar,birch and so on. the core including poplar, hardwood,and combi core. the glue including MR, melamine,WBP,E2,E1.thickness:1.8-20mmsize:1220*2440 commercial plywood