FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 187
Idikell sound insulation mat M 3815/33 PU foam
Idikell sound insulation mat – M 3815/33
PTB reference data
Original description
Idikell sound insulation mat M 3815/33 PU foam
Material properties
Manufacturer: Siegfried Keller AG
Thickness: 32 mm
Surface: gray oil- and waterproof skin
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.51
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.45 | 0.75 | 0.70 | 0.55 | 0.50 |
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Method (354): Measured
