WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe unter http://www.lignoform.com, Feb. 01
Lignoform Quadrillo-Sandwich acoustic panel
Lignoform Quadrillo-Sandwich
PTB reference data
Original description
Lignoform Quadrillo-Sandwich acoustic panel
Material properties
Manufacturer: Lignoform Benken AG
Thickness: 31 mm
Wall distance: 350 mm, 150 mm, 0 mm
Backing: perforated hardboard, chipboard frame with soft fiberboard core
Surface: Quadrillo membrane
Application: ceiling, column, wall
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.77
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.55 | 0.60 | 0.65 | 0.85 | 0.95 | 0.90 |
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| Compare | Value | |
|---|---|---|
| 350 mm | αw0.77 | |
| 150 mm | αw0.75 | |
| 0 | αw0.61 |
Dimensions: 3000 x 600 mm
Application: Montage with einfacher Feder or T-Feder Schattenfuge min. 3 mm
