Plaster & sprayHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data unter http://asonad.de, Feb. 2001
Value from the PTB table, not verified
ICC Sonaspray K-13 FC seamless acoustic coating
Sonaspray K-13 FC
PTB reference data
Original description
ICC Sonaspray K-13 FC seamless acoustic coating
Material properties
Manufacturer: ICC
Thickness: 0.5 in
Application: ceiling, wall
Mounting: spray-applied
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.65
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.15 | 0.45 | 0.85 | 1.00 | 1.00 |
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Value from the PTB table, not verified
NRC: 0.65 (derived from ISO 354 lab data)
Measured values as a table (1 measurement)
| Build-up | NRC | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 12 · Aufspritzen on Untergrund · fein | 0.65 | 0.15 | 0.16 | 0.46 | 0.87 | 1.07 | 1.12 |
Measured values as a table (1 measurement)
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