FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe unter http://www.illbruck-raumakustik.de
illbruck waffel dämm soft foam panel B1
waffel dämm
PTB reference data
Original description
illbruck waffel dämm soft foam panel B1
Material properties
Manufacturer: illbruck GmbH
Thickness: 65 mm
Surface: waffle structure
Up to fire class: B1 according to DIN 4102 (not easily flammable)
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.77
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.30 | 0.70 | 0.75 | 0.90 | 0.95 | 0.95 |
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Method (354): Measured