... core panel has feature of high hardness and density (from 24-144kg/ m3),non-corrodibility, Self-extinguish, insulation, excellent craft . This ... lattice (mm) Density(kg/m3)HDL-1-1.81.8329,48,56,80,96,128,144HDL-1-2.22.2929 ... ,48,56,80,96,128,144HDL-1-2.72.7532,48,56,64,72,80HDL-1 ... -3.53.6724,32,48,64HDL-1-4.54.532,48,56HDL-1-5.55.524,32,48HDL ...