GypsumLow-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Gypsum board: 1.27 cm nailed to 5.1 by 10.2 cm studs 41 cm center to center
PTB reference data
Original description
Gypsum board: 1.27 cm nailed to 5.1 by 10.2 cm studs 41 cm center to center
Material properties
Thickness: 1.27 cm
Application: wall
Mounting: nailed to 5.1 x 10.2 cm studs 41 cm center to center
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.11
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.30 | 0.10 | 0.05 | 0.05 | 0.05 | 0.10 |
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Method (354): Measured