PlasticHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerunterlagen
ESO-KVO absorber panel
ESO-KVO absorber panel
PTB reference data
Original description
ESO-KVO absorber panel
Material properties
Manufacturer: ESO-Akustik Brigitte Schmelzle
Thickness: 28 mm
Wall distance: 50 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.61
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.50 | 0.75 | 0.80 | 0.70 | 0.75 |
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Method (354): Measured