General Specifications: 300mm × 300mm, 300mm × 600mm Other specifications: Dimensions determining Third, the product performance Performance Project Unit No. 1 dry density kg / m3 ≤200 2 Thermal conductivity W / (m.k) according to the actual requirements ≤0.054 3 Water absorption (v / v)% ≤10 4 drying shrinkage mm / m ≤0.5 5 compressive strength Mpa ≥0.2 6 combustion performance - A1 7 Materials smoke toxicity - a safe level of radioactive exposure index AQ1 8 |Ra - ≤ 0.4 external exposure index |r - ≤0.4 9 frost resistance of the mass loss rate% ≤5 compressive strength loss rate% ≤20 10 db ≥35 amount of noise has been widely used in large-span industrial plants, warehouses, mainframes garage, sports production Construction Engineering pipe, exhibition halls, airports, large utilities, activity room and residential mezzanine, civilian residential wall insulation, and other areas in the past and overcome thermal insulation materials used in the foam generated by differential thermal sensing rate, cracking characteristics.