FoamHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 145
Gummi-Stricker PSST asbestos foam panel with bitumen foil
PSST sound absorption panel with heavy layer – FN 71/25/2
PTB reference data
Original description
Gummi-Stricker PSST asbestos foam panel with bitumen foil
Material properties
Manufacturer: Gummi-Stricker
Thickness: approx. 27 mm
Wall distance: 0 mm
Backing: 2 mm bitumen foil
Surface: glass mesh fabric
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.52
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.15 | 0.40 | 0.65 | 0.90 | 0.95 |
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Method (354): Measured