WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA 1968, Tabelle a3.1-2
Cement-bonded wood wool lightweight panel, 500 x 2000 mm, 35 mm
PTB reference data
Original description
Cement-bonded wood wool lightweight panel, 500 x 2000 mm, 35 mm
Material properties
Thickness: 35 mm
Dimensions: 500 mm × 2000 mm
Surface weight: 14.5 kg/m²
Flow resistance: 2.4 Rayl/cm
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.36
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.10 | 0.25 | 0.50 | 0.65 | 0.65 |
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Method (354): Measured