Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe unter http://www.illbruck-raumakustik.de
QUADROLINE
Original description
illbruck QUADROLINE expanded metal ceiling system with illtec FM inlay
ISO 354 – reverberation chamber· 3 variants
αp per ISO 11654
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| Compare | Value | |
|---|---|---|
| 20 mm | αw0.84 | |
| 10 mm thickness der Dämmstoffschicht | αw0.62 | |
| 5 mm thickness der Dämmstoffschicht | αw0.46 |
