WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Produktdatenblatt des Herstellers
Deutsche Heraklith Herakustik G wood wool acoustic panel
Herakustik G
PTB reference data
Original description
Deutsche Heraklith Herakustik G wood wool acoustic panel
Material properties
Manufacturer: Deutsche Heraklith GmbH
Thickness: 25 mm
Wall distance: 230 mm
Backing: 40 mm Heraflax-SAP
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.72
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.65 | 0.85 | 0.60 | 0.65 | 0.70 | 0.85 |
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Method (354): Measured