MetalHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe unter http://www.illbruck-raumakustik.de
illbruck QUADROLINE expanded metal ceiling system with illtec FM inlay
QUADROLINE
PTB reference data
Original description
illbruck QUADROLINE expanded metal ceiling system with illtec FM inlay
Material properties
Manufacturer: illbruck GmbH
Thickness: 20 mm, 10 mm, 5 mm
Backing: illtec FM cassette inlay C1
Application: ceiling
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.84
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.60 | 0.85 | 0.70 | 0.90 | 0.95 | 1.00 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
| Compare | Value | |
|---|---|---|
| 20 mm | αw0.84 | |
| 10 mm thickness der Dämmstoffschicht | αw0.62 | |
| 5 mm thickness der Dämmstoffschicht | αw0.46 |
