WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968 a 4-5
Lightweight chipboard, porous hard foil facing, glass veil backing, 19 mm
PTB reference data
Original description
Lightweight chipboard, porous hard foil facing, glass veil backing, 19 mm
Material properties
Thickness: 19 mm
Surface weight: 6.2 kg/m²
Backing: glass veil
Surface: porous hard foil
Flow resistance: 149 kPa·s/m²
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.52
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.15 | 0.50 | 0.90 | 0.80 | 0.70 |
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Method (354): Measured