黑胶片面临的白杨的核心是用夹板做的

plywood Size:1220mm x 2440mm&1250mm x 2500mm Thickness: 6mm-30mm Description: the film paper from Dynea company Finland, 125 gram/m2 Good water proof ability Flattening and smooth in surface Warp allowed:≤1%, Thickness allowed: ± 0.5 Flexibility: 5000-7948 mPa Surface strength: 24-75.8 mPa In addition, we could also produce Film:Imported brown film(120g/m2), local black film(240g/m2), local brown film(240g/m2) Glue: MR, WBP, Melamine,E1,E2 Core :poplar, birch, hardwood and so