WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA 1968, Tabelle a3.1-6
Lightweight chipboard on cross-battening
PTB reference data
Original description
Lightweight chipboard on cross-battening
Material properties
Thickness: 19 mm
Wall distance: 50 mm
Surface weight: 5.7 kg/m²
Flow resistance: 55 Rayl
Mounting: cross-battening 24/48 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.55
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.45 | 0.85 | 0.65 | 0.65 | 0.60 |
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Method (354): Measured