FoamHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 148
Value from the PTB table, not verified
Gummi-Stricker PSST sound absorption panel with heavy layer
PSST sound absorption panel with heavy layer – 1515/20/2
PTB reference data
Original description
Gummi-Stricker PSST sound absorption panel with heavy layer
Material properties
Manufacturer: Gummi-Stricker
Thickness: approx. 22 mm
Wall distance: 0 mm
Backing: 2 mm thermoplastic layer
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.25
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.15 | 0.15 | 0.25 | 0.60 | 0.75 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ca. 22 mm · ca. 4,2 kg / m² · 0 | 0.25 | 0.11 | 0.12 | 0.13 | 0.14 | 0.14 | 0.15 | 0.15 | 0.19 | 0.21 | 0.22 | 0.38 | 0.50 | 0.63 | 0.67 | 0.70 | 0.75 |
Measured values as a table (1 measurement)
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