Glass Wool Felt/Glass Wool Blanket Our factory is one of the largest glass wool manufacturers in China.We produce glass wool with excellent quality,all color and various sizes are available. 1.)CE certificate Grade A1 fireproof. 2.)Unique technology,rebound degree after compressive packing is up to 99%. 3.)Grade A1 incombustible materials. 4.)It is bright yellow in color,tasteless or feint in smell,and no injurant to human bady. 5.)It is excellent for heat insulation. Usage: Heat preservation for steel structure building. Heat insulation for wall and roof of house to save energy. For indoor partition wall,train compartment. Sound absorption and noise reduction ,it can effectively prevent sound spreading. Low moisture absorption,stable physical properties. Package: For increasing loading quantity and reducing cost of transportaion,all exported glass wool blanket would be packed vacuum.However,due to excellent rebound property,our glass wool,when reachs the destination,will rebound almost to the original level in 24hours after been unpacked.