WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe unter http://www.lignoform.com, Feb. 01
Lignoform perforated gym panel, ball-impact resistant
Lignoform perforated panel, gym panel
PTB reference data
Original description
Lignoform perforated gym panel, ball-impact resistant
Material properties
Manufacturer: Lignoform Benken AG
Thickness: 18 mm
Wall distance: 60 mm
Perforation: perforated
Backing: acoustic non-woven
Application: gymnasium walls
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.61
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.65 | 0.90 | 0.90 | 0.70 | 0.45 |
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Method (354): Measured
