... of HPL, the middle of the aluminum honeycomb core, with the harmonic glue pressed in cold press. Thickness: ... 18mmDimension:1220*1830mm(can be custmized) Honeycomb panel core is a hexagonal aluminum honeycomb structure, dense cellular restraining ... sandwich" structure, as high-strength aluminum alloy surface, floor and aluminum honeycomb core at high temperature, high pressure composite ...