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Felt wrapped acoustic ceiling

Acoustic ceiling is mainly composed of sound-absorbing material, is the strong absorption of sound energy, reduce the noise performance of the material. Borrow their porous, film or for incident acoustic resonance with absorption material, one of the components of ultrasonics examination equipment. Sound absorbing material with the sound transmission medium around the acoustic characteristic impedance matching, make sound energy without reflection into the sound-absorbing material, and makes for the most part incident sound energy is absorbed.
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Acoustic ceilings

Acoustic ceiling is mainly composed of sound-absorbing material, is the strong absorption of sound energy, reduce the noise performance of the material. Borrow their porous, film or for incident acoustic resonance with absorption material, one of the components of ultrasonics examination equipment. Sound absorbing material with the sound transmission medium around the acoustic characteristic impedance matching, make sound energy without reflection into the sound-absorbing material, and makes for the most part incident sound energy is absorbed.
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