The glass wool boards is a plate product with a fixed strength after hot-setting the centrifugal glasswool. It has excellent thermal insurance performance at booth high and low temperature environment. It is mainly used for the separating wall in the high-grade building, celling, air-conduct or inner wall of bellows for thermal insurance, or machine shops for noise adsorption, or metal ceiling for control of moisture. High density panels with laminated facing can be used for air-conditioning duct system.s.