Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
Ecophon Focus B-D,F glass wool fiber absorber
Ecophon – Focus B-D,F
PTB reference data
Original description
Ecophon Focus B-D,F glass wool fiber absorber
Material properties
Manufacturer: Ecophon GmbH
Thickness: 20 mm
Wall distance: 200 mm
Backing: non-woven faced
Surface: treated with Akutex T
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.81
Frequency values
αp nach ISO 11654
| f (Hz) | 63 | 125 | 250 | 500 | 1k | 2k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.45 | 0.80 | 0.85 | 0.85 | 0.95 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured
