FoamHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 185
Idikell M Series 8000 flexible PUR foam panel
Idikell M – Serie 8000
PTB reference data
Original description
Idikell M Series 8000 flexible PUR foam panel
Material properties
Manufacturer: Siegfried Keller AG
Thickness: 10 mm, 20 mm, 40 mm
Wall distance: 0 mm
Up to fire class: self-extinguishing
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.54
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.15 | 0.35 | 0.75 | 0.90 | 0.90 |
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| Compare | Value | |
|---|---|---|
| 40 mm | αw0.54 | |
| 20 mm | αw0.33 | |
| 10 mm | αw0.19 |
Weight / density: ca. 30 kg / m³
Distance: 0
