GypsumHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data online at www.rigips.de, as of March 07
Value from the PTB table, not verified
Rigips Rigiton perforated panel 8/18 Q with acoustic non-woven, spacing 200 mm
Rigiton perforated panel with acoustic non-woven 8/18 Q
PTB reference data
Original description
Rigips Rigiton perforated panel 8/18 Q with acoustic non-woven, spacing 200 mm
Material properties
Manufacturer: Rigips GmbH
Wall distance: 7.9 in
Perforation: 8/18 Q
Backing: acoustic non-woven, 0.8 in mineral wool
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.80
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.35 | 0.75 | 0.90 | 0.75 | 0.80 | 0.70 |
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Value from the PTB table, not verified
NRC: 0.80 (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 |
|---|---|---|---|---|---|---|---|
| 200 | 0.80 | 0.37 | 0.77 | 0.88 | 0.77 | 0.82 | 0.71 |
Measured values as a table (1 measurement)
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