. with good forming, small volume density, thermal conductivity, both thermal insulation, sound-absorbing performance is good, corrosion resistance, chemical stability. The sound absorption properties of
centrifugal glass cotton is not only related with the thickness and density, is also related to cover face materials, structure factors. In building applications still need both the cost and beautiful appearance, fire prevention, moisture, dust, aspects of aging
centrifugal glass wool belongs to the porous sound-absorbing material, has a good sound absorption performance. Centrifugal glass cotton can sound-absorbing reason not because the surface is rough, but because of a large number of internal and external connected with tiny pores and holes. When sound waves incident to the centrifugal glass cotton, sonic can along the pore to enter inside the material, causes the vibration of air molecules in the gap. Because the friction of air viscous resistance and air molecules and pore walls, sound energy into heat and loss.
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