TextileBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 184
Siegfried Keller Idikell M textile fiber absorber
Idikell M – Serie 6000, with film facing
PTB reference data
Original description
Siegfried Keller Idikell M textile fiber absorber
Material properties
Manufacturer: Siegfried Keller AG
Thickness: 10 mm, 20 mm
Wall distance: 0 mm
Perforation: 4%
Backing: perforated film facing
Surface: with film facing
Up to fire class: self-extinguishing
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.51
Frequency values
αp per ISO 11654
| f (Hz) | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|
| αp | 0.25 | 0.65 | 0.85 | 0.55 | 0.35 |
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| Compare | Value | |
|---|---|---|
| 20 mm | αw0.51 | |
| 10 mm | αw0.50 |
Weight / density: 40 - 60 kg / m³
Distance: 0, with gelochter Folienabdeckung 4 % Lochanteil