WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe unter http://www.lignoform.com, Feb. 01
Lignoform Quadrillo ceiling tile with acoustic non-woven
Lignoform Quadrillo ceiling panel with acoustic non-woven
PTB reference data
Original description
Lignoform Quadrillo ceiling tile with acoustic non-woven
Material properties
Manufacturer: Lignoform Benken AG
Thickness: 10 mm
Wall distance: 350 mm
Backing: acoustic non-woven
Application: ceiling, wall
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.59
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.50 | 0.80 | 0.60 | 0.65 | 0.60 | 0.50 |
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Method (354): Measured
