pu concave sound-absorbing foam

 when the sound waves incident into it, it can cause gaps in the air vibration; the viscous drag due to air friction and pore walls, so that a considerable part of the sound energy into heat energy has been consumed.




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Sound-absorbing foam
Sound-absorbing foam  absorb a large number of incoming acoustic energy of the acoustic attenuation, reducing the interference and echo sound reflections ,improve ...
pu concave sound-absorbing foam
pu concave sound-absorbing foam  when the sound waves incident into it, it can cause gaps in the air vibration; the viscous drag due to air friction and pore walls, so that a...
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sound-absorbing material
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wave foam  when the sound waves incident into it, it can cause gaps in the air vibration; the viscous drag due to air friction and pore walls, so that a...
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