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 with acoustic non-woven
Rigiton perforated panel with acoustic non-woven 8/18
PTB reference data
Original description
Rigips Rigiton perforated panel 8/18 with acoustic non-woven
Material properties
Manufacturer: Rigips GmbH
Wall distance: 200 mm
Perforation: 8/18
Backing: 20 mm mineral wool
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.65
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.75 | 0.80 | 0.70 | 0.65 | 0.45 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 200 | 0.65 | 0.40 | 0.75 | 0.81 | 0.72 | 0.63 | 0.44 |
Measured values as a table (1 measurement)
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