Perforated sound-absorbing panels can make your indoor environment more quiet and comfortable. The sound absorbing board is generally perforated on the sound absorbing material with sound absorbing effect when it is manufactured. In addition, thin felt with sound absorption effect will be affixed to the back of the perforated sound absorption board. The resulting perforated sound-absorbing panel will form a number of honeycomb like closed chambers. And these cells can play a lot of role in blocking air flow, and sound waves will also be blocked, so as to play a good sound insulation effect.
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