Kindly refer the standard specification for container flooring plywood as below: Size: 28 x1160 x2400mm or 28x1220x2440mm Grade: A/B Core: Hardwood Face/back : Keruing Veneer 0.6mm Number of Ply: 21 (19 inners and 2 outers) Glue: Melamine or Phenol Tailileum 400 treatment (if any)