WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data unter http://www.lignoform.com, Feb. 01
Value from the PTB table, not verified
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
0.65
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 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 100 Hz | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz | 5000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 18 mm · 60 mm · Holzoberfläche | 0.65 | 0.07 | 0.10 | 0.25 | 0.52 | 0.69 | 0.74 | 0.90 | 0.91 | 0.87 | 0.88 | 0.90 | 0.89 | 0.83 | 0.65 | 0.57 | 0.52 | 0.42 | 0.45 |
Measured values as a table (1 measurement)
Access frequency bands, variants and export. Create a permanent free account
Last updated:
