WoodBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968, b2.2-11
Wood wall bracing with mineral fiber blanket
PTB reference data
Original description
Wood wall bracing with mineral fiber blanket
Material properties
Thickness: 25 mm
Wall distance: 50 mm
Dimensions: 25 x 45 mm
Backing: mineral fiber blanket quilted on bitumen paper
Surface: planed, unpainted
Application: wall
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.39
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.40 | 0.70 | 0.55 | 0.20 | 0.25 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured