Glass wool blanket 1. Density: 12,16,20,24,32,40,48kg/m3 2. Length: 10-20m 3. Width: 1200mm 4. Thickness: 25-150mm Acoustic materials glass wool blanket: The Centrifugal Glass Wool Blanket/Felt/Roll and Board are excellent heat preservation and sound absorption material for steel structure, ceiling, outer wall, partition wall, train compartment, air duct, water heater etc. It features:1. ...