Centrifugal glass wool felt are made for large laying area. Beside the character of thermal insurance, it also has the performances of shock absorption and acoustical isolation, especially for middle or low frequency sound, which can cancel the noise and improve working environment. This material can be freely cut in construction according the shape required, mainly used in room, noise-canceling system, transportation, refrigerators and household eletric appliances for noise canceling. The glass wool felt goods with aluminum foil surface has good capability of heat radiation protection, which in suitable for high temperature shops, control room, inner wall of the machine shops, room separating and so on as inner liners.