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 with acoustic non-woven 8-12/50, spacing 50/200 mm
Rigiton perforated panel with acoustic non-woven 8-12/50
PTB reference data
Original description
Rigips Rigiton perforated panel with acoustic non-woven 8-12/50, spacing 50/200 mm
Material properties
Manufacturer: Rigips GmbH
Wall distance: 2 in, 7.9 in
Perforation: 8-12/50
Backing: acoustic non-woven
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 2 variants
NRC
0.60
Frequency values
αp per octave band
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.35 | 0.70 | 0.80 | 0.50 | 0.40 |
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| Compare | Value | |
|---|---|---|
| 50 | NRC0.60 | |
| 200 | NRC0.60 |
NRC: 0.60 (derived from ISO 354 lab data)
Measured values as a table (2 measurements)
| Build-up | NRC | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 50 | 0.60 | 0.19 | 0.34 | 0.71 | 0.81 | 0.51 | 0.39 |
| 200 | 0.60 | 0.39 | 0.67 | 0.76 | 0.55 | 0.49 | 0.38 |
Measured values as a table (2 measurements)
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