... ,Chemical industries,Electronics,Home Appliance,Textiles, Vehicles, Shipbuilding,Army products,Energy Sources,Electrical Wires, Minerals,Construction Industry and ... proof,Warm-keeping,sound-absorbing.AdvantageThe wool felt products are made from raw wool. wool felt performance standards: GB FZ/ ... T25001-92. wool felt has passed the ISO 9001 certification.Material:100% WoolDensity(g/cm3):0.09 ...