WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe: www. Isolith.com
Isolith BABf sound absorber panel, wood wool cement with mineral wool core
Sound absorber panel – BABf 75 mm
PTB reference data
Original description
Isolith BABf sound absorber panel, wood wool cement with mineral wool core
Material properties
Manufacturer: Isolith M. Hattinger Ges.m.b.H.
Thickness: 75 mm
Backing: mineral wool core
Surface: cement-bonded wood wool coating
Up to fire class: B1
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.94
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.45 | 0.95 | 1.05 | 1.20 | 1.05 | 0.95 |
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Method (354): Measured