PlasticHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Sonex Baffles 2-sided wedge-shaped melamine foam, hanging panels
Baffles
PTB reference data
Original description
Sonex Baffles 2-sided wedge-shaped melamine foam, hanging panels
Material properties
Manufacturer: Sonex Division
Thickness: 3 inches
Mounting: hanging panels
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
1.40
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.75 | 0.80 | 1.40 | 1.75 | 1.85 | 1.85 |
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Method (354): Measured
