Core thickness： 50mm 75mm 100mm 120mm 150mm

　　Effective coverage： 1000mm

　　Bulk density of core material： 64Kg/m³

　　Thermal conductivity： ≤ 0.025w/m.k

　　Surface pattern: Plain, wavy, square wave, punching

　　Combustion performance: Grade A

       1.Excellent sound absorption effect, can effectively control and adjust the reverberation time of space and reduce noise

　　2.The inner plate is bonded firmly with non-woven fabric backing

　　3.Aperture: 3-6mm

　　4.Opening rate: 78%

　　5.Glass wool and rock wool are used as the core material, with excellent fire protection effect