WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968 a4-7
Lightweight chipboard with porous hard foil and paper backing, 19 mm
PTB reference data
Original description
Lightweight chipboard with porous hard foil and paper backing, 19 mm
Material properties
Thickness: 19 mm
Wall distance: 50 mm
Surface weight: 6.1 kg/m²
Backing: paper backing on rear
Surface: painted porous hard foil on front
Flow resistance: 246 Rayl
Mounting: on 24/48 mm cross-battening
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.51
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.40 | 0.60 | 0.75 | 0.60 | 0.55 |
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Method (354): Measured