energy-saving, light-weight, sound insulation, water proof, fire proof, space-saving, and short construction time. Raw material1, Core material: ... beside the highway and railway,defence and enclosure wall.Fire-proof and earthquake proof for school,hotel, commercial condo bldg.’s wall and ... ≥0.8 ≥0.8 ≥0.88Sound insulation capacity in the air/Db ≥36 ≥42 ≥489Fire proof limit/h ≥2 ≥4 ≥410Heat transfer ...