Blockboard 1)Size:1220*2440 or as request 2) Thickness: 18~20mm 3)Core: poplar, hardwood,paulownia 4)Grade: ... face BlockBoard 1)Size:1220*2440 or as request 2) Thickness: 15,18,19,20mm 3)Core: poplar, hardwood,paulownia4 ... than 12mmPhysical parameterDensity : 450--750kg/cbmTransverse strength>=15MP(thickness<=16mm)>=12MP(thickness>=16mm)Glueline shear strength>=1.0MPPackinginnerPallet lined with 0 ...