WoodBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Odeon (Index 1004)
22 x 100 mm boards with 10 mm gaps, over 50 mm cavity with glass mat in front of mineral wool
PTB reference data
Original description
22 x 100 mm boards with 10 mm gaps, over 50 mm cavity with glass mat in front of mineral wool
Material properties
Wall distance: 50 mm
Dimensions: 22 x 100 mm
Backing: glass mat in front of mineral wool
Mounting: 10 mm gaps
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.20
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.00 | 0.10 | 0.20 | 0.05 | 0.00 | 0.05 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured