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Sound Attenuators

Description

Product Description Product Code
125mm sound attenuator 188860
150mm sound attenuator 188870
160mm sound attenuator 188880

Please contact us if you would like to receive more information about Ubbink's sound attenuators.
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Specifications

The Ubbink flexible sound attenuator series consists of 3 layers:
  1. A non-woven cloth inner layer;
  2. A 25mm glass wool layer [16 kg-m3, R-value 0.69 m2K-W (ASTM C177/76)];
  3. An aluminium laminate outer layer.
Sound attenuation

D
(mm)
L
(m)
Attenuation, dB – Mid-frequency, Hz D
(dB)
63 125 250 500 1000 2000 4000 8000
125 1.0 11.7 18.9 32.4 29.9 28.8 34.5 40.9 24.5 32
150 1.0 12.2 10.9 29.7 30.1 29.0 38.3 34.6 20.4 32
160 1.0 19.3 25.4 30.5 27.1 23.8 32.2 27.8 17.3 28

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