... an effective sound absorption material. Advantages:1. Thermal insulation, sound-absorbing noise reduction.2. Stable chemical performance, ... in low or high temperature, it has perfect thermal insulation. Density: 24-96kg/m3Thickness: 25-100mmWidth: 600- ... facing, such as Aluminum foil, Fiber cloth, Polypropylene, Fiber tissue etc. Used in wall for soundproofing and thermal insulation sound insulation ...