WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe unter http://www.lignoform.com, Feb. 01
Lignoform Quadrillo door elements with soft fiber core
Lignoform Quadrillo-Türelemente
PTB reference data
Original description
Lignoform Quadrillo door elements with soft fiber core
Material properties
Manufacturer: Lignoform Benken AG
Thickness: 22 mm, 28 mm, 34 mm
Wall distance: 350 mm
Backing: soft fiber core
Application: Cabinet doors for open-plan offices, conference rooms
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.72
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.65 | 0.70 | 0.60 | 0.65 | 0.80 | 0.80 |
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Method (354): Measured