... 3000mm*610mm*90mm,120mm,150mm,180mm,200mmApplicationThis wall panel could be utilized as exterior wall, interior wall, floor,water proof for bath room ... sound barrier beside the highway and railway,defence and enclosure wall.Fire-proof and earthquake proof for school,hotel, commercial condo ... 5 ≥3.57Softening coefficient ≥0.8 ≥0.8 ≥0.88Sound insulation capacity in the air/Db ≥36 ≥42 ≥489Fire proof limit ...