Plaster & sprayHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data
Value from the PTB table, not verified
Capatect acoustic system BASWA with plaster coating
Capatect acoustic system BASWA
PTB reference data
Original description
Capatect acoustic system BASWA with plaster coating
Material properties
Manufacturer: Caparol Farben Lacke Bautenschutz GmbH & Co Vertriebs KG
Thickness: 54 mm
Wall distance: 0 mm
Backing: mineral fiber on 6 mm cement fiberboard
Surface: open-pored acoustic plaster Basic 07
Up to fire class: A2
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.70
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.30 | 0.70 | 0.80 | 0.70 | 0.65 | 0.65 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 63 Hz | 80 Hz | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ges. 54 mm · 0 · fein strukturierter Akustikputz | 0.70 | 0.11 | 0.15 | 0.32 | 0.19 | 0.38 | 0.44 | 0.68 | 0.92 | 0.81 | 0.78 | 0.76 | 0.73 | 0.71 | 0.71 | 0.64 | 0.64 | 0.63 | 0.64 | 0.68 | 0.70 |
Measured values as a table (1 measurement)
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