Stone & concreteHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data www.sto.at
Value from the PTB table, not verified
StoSilent Panel 2000 acoustic panel with expanded glass granulate
StoSilent Panel – 2000
PTB reference data
Original description
StoSilent Panel 2000 acoustic panel with expanded glass granulate
Material properties
Manufacturer: Sto AG
Thickness: 16 mm
Wall distance: 245 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.55
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.45 | 0.60 | 0.60 | 0.50 | 0.55 | 0.65 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 100 Hz | 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 | 5000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 16 mm · 245 mm · Vliesbeschichtung | 0.55 | 0.40 | 0.48 | 0.49 | 0.57 | 0.63 | 0.63 | 0.63 | 0.61 | 0.56 | 0.52 | 0.54 | 0.51 | 0.52 | 0.52 | 0.56 | 0.61 | 0.61 | 0.71 |
Measured values as a table (1 measurement)
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