FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe unter http://www.illbruck-raumakustik.de
illbruck Waffel Dämm PUR foam panel
waffel dämm
PTB reference data
Original description
illbruck Waffel Dämm PUR foam panel
Material properties
Manufacturer: illbruck GmbH
Thickness: 65 mm
Surface: waffle structure
Up to fire class: B2 per DIN 4102 (normally flammable)
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.87
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.30 | 0.65 | 0.95 | 1.10 | 1.05 | 1.10 |
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Method (354): Measured