High damping Sound Insulation board


High damping Sound Insulation board


The high damping sound insulation board is a kind of plate which acts on the sound insulation effect. The sound insulation is mainly due to damping can weaken the strength of bending vibration of metal plate. The noise reduction process is that when the metal bending vibration, its vibration energy quickly passed to the close vibration source of sound insulation material, causing the damping insulation material internal friction and dislocation. Because of the internal loss and internal friction of the damping material, the vibration energy of the metal plate is converted into heat energy and the loss is dissipated, thus weakening the vibration. Moreover, the damping can shorten the vibration time of the wall plate excited vibration.


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