WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968 a4-6
Lightweight chipboard with porous hard foil and glass non-woven
PTB reference data
Original description
Lightweight chipboard with porous hard foil and glass non-woven
Material properties
Thickness: 19 mm
Wall distance: 50 mm
Surface weight: 6.2 kg/m²
Backing: glass non-woven
Surface: porous hard foil with drop decor
Flow resistance: 149 Rayl
Mounting: on 24/48 mm cross-battening
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.60
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.45 | 0.85 | 0.75 | 0.75 | 0.70 |
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Method (354): Measured