Blockboard: 1.Size:1220*2440mm,1230*2450mm 2.certificate:ISO9001 Blockboard:1.Size:1220*2440mm2.thickness:15mm/17mm/18mm/44mm3.core:paulownia,falcate,poplar,ceadar4.Face/Back:okoume,maple,walnut,red oak,ash,birch,HPL5.Glue:WBP,E1,E2,MR6.certificate:ISO90017.Usage:Furniture,construction,packing8.Joint Way:overlap joint,end joint,scraf joint,finger joint. blockboard