WoodBroadband absorber
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 Quadrillo ceiling tile with acoustic non-woven, spacing 150 mm
Lignoform Quadrillo ceiling panel with acoustic non-woven
PTB reference data
Original description
Lignoform Quadrillo ceiling tile with acoustic non-woven, spacing 150 mm
Material properties
Manufacturer: Lignoform Benken AG
Thickness: 0.4 in
Wall distance: 5.9 in
Backing: acoustic non-woven
Application: ceiling, wall
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.65
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.50 | 0.85 | 0.70 | 0.55 | 0.50 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Value from the PTB table, not verified
NRC: 0.65 (derived from ISO 354 lab data)
Measured values as a table (1 measurement)
| Build-up | NRC | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 mm · 150 mm · Montage: Einlegen in T-Profile · gerillte Holzoberfläche, glatt im Randbereich 50 mm, Rillenachsmass 5 bzw. 10 mm | 0.65 | 0.10 | 0.15 | 0.25 | 0.41 | 0.48 | 0.65 | 0.80 | 0.84 | 0.85 | 0.83 | 0.74 | 0.57 | 0.54 | 0.58 | 0.55 | 0.50 | 0.51 | 0.46 |
Measured values as a table (1 measurement)
Access frequency bands, variants and export. Create a permanent free account
Last updated:
