Plaster & sprayHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Angabe:www.stucknagel.de
Value from the PTB table, not verified
Stark Ceramics Sto acoustic plaster
Sto-Akustikputz
PTB reference data
Original description
Stark Ceramics Sto acoustic plaster
Material properties
Manufacturer: Stark Ceramics
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 | 0.15 | 0.25 | 0.60 | 0.85 | 0.85 | 0.90 |
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Measurement 1 | 0.55 | 0.15 | 0.14 | 0.19 | 0.21 | 0.26 | 0.34 | 0.45 | 0.61 | 0.76 | 0.84 | 0.88 | 0.86 | 0.87 | 0.86 | 0.87 | 0.85 | 0.86 | 0.94 |
Measured values as a table (1 measurement)
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