WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerunterlagen
ESO-Akustik ESO-Phondraht Panel
ESO-Phondraht Panel
PTB reference data
Original description
ESO-Akustik ESO-Phondraht Panel
Material properties
Manufacturer: ESO-Akustik Brigitte Schmelzle
Thickness: 2 mm
Wall distance: 50 mm, 200 mm
Backing: 40 mm mineral wool
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.80
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.35 | 0.75 | 0.90 | 0.90 | 0.95 | 1.00 |
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| Compare | Value | |
|---|---|---|
| 200 mm (gefüllt) | αw0.80 | |
| 50 mm (gefüllt) | αw0.75 |
Application: Holzrahmenkonstruktion