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Sound insulation and sound absorption distinction /> Sound insulation materials use sound waves to reflect sound waves, and there is very little transmission sound in the shadow area of the soundproof material. The sound absorbing material utilizes a sound absorbing structure and a sound absorbing medium to create an infinite sound field, that is, to reduce reflected sound waves. The use of these two materials has different requirements, and simple interchange may not only meet the technical requirements, but may also have adverse effects.
Most of the sound absorbing materials are loose porous materials, such as slag wool, blankets, etc. The sound absorption mechanism is that the sound waves penetrate into the pores of the material, and the pores are mostly open pores that penetrate each other inside, and are subjected to friction and viscous resistance of air molecules, and Fine fibers are mechanically vibrated to convert acoustic energy into heat. The sound absorption coefficient of such a porous sound absorbing material generally increases from low frequency to high frequency, so the sound absorption effect on high frequency and intermediate frequency is better.
Kingbeatles Technology is one of experienced suppliers and manufacturers of Noise Reducing Panels. If you are interested in our Noise Reducing Panels, please feel free to contact us.
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