Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe unter www.owa.de
OWAcoustic Cosmos mineral wool panel without needling
OWAcoustic – Cosmos without needling
PTB reference data
Original description
OWAcoustic Cosmos mineral wool panel without needling
Material properties
Manufacturer: Odenwaldwerk
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.31
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.45 | 0.35 | 0.25 | 0.20 | 0.25 | 0.30 |
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Method (354): Measured