Glass wool fibers belonging to a category, is a man-made mineral fibers. Quartz sand, limestone, dolomite and other natural ore as the main raw material, with some soda, borax and other chemicals into the glass melt. In the molten state, with standard external blows thrown into flocculent fine fibers, for interchange between the fiber and the fiber, intertwined with each other, showing many of the small gap. This gap can be regarded as void. Thus, the glass wool can be regarded as a porous material, with excellent thermal insulation, sound absorption performance. Glass wool is molten glass fibrosis, cotton-like material, the chemical composition of metallic glass class, is an inorganic fibers having good shape, small size, density, thermal conductivity go to and fro, thermal insulation, good sound-absorbing properties, corrosion-resistant ornaments, chemical stability. Mineral wool is the main component of stone blast furnace slag, phosphorus slag, fly ash. Centrifugal glass wool fiber glass wool fluffy staggered inside, there are a large number of tiny pores, is typical of porous sound-absorbing material, has good acoustic properties. Centrifugal glass wool can be made into wall, ceiling, space absorber, etc., can be a lot to absorb sound energy in the room, reducing the reverberation time, reduce indoor noise. Centrifugal glass wool sound absorption characteristics of not only the thickness and density, but also with factors overlay material, structure and so on. In architectural applications taking into account the need to cost, aesthetics, fire, moisture, dust, anti-aging, and many other problems. Centrifugal glass wool sound-absorbing materials are porous, with good acoustic performance. Centrifugal glass wool sound absorption can not due to surface roughness, but because a large number of internal and external connectivity of tiny pores and cavities. When a sound wave is incident on glass wool, acoustic energy into the interior of the material along the pores, causing the air molecules vibrating space. Viscous drag due to air and air molecules and pore wall friction, sound energy into heat energy loss. Centrifugal glass wool for better high-frequency sound absorption properties. The main factors affecting the performance of centrifugal glass wool sound absorption is the thickness, density and air flow resistance and so on. Density is the weight per cubic meter of material. Than the material on both sides of the air pressure and air flow rate per unit thickness of the barrier is air flow. Air flow resistance is the most important factor affecting the performance of centrifugal glass wool sound absorption. Flow resistance is too small, indicating that the material is sparse, easily through the air vibration, acoustic performance degradation; flow resistance is too large, indicating that the material dense, difficult to incoming air vibration, acoustic performance also dropped. For centrifugal glass wool is concerned, there is an optimum flow resistance sound absorption performance.