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 gypsum board 8/18 Q with acoustic non-woven, spacing 50/200 mm
Rigiton perforated panel with acoustic non-woven 8/18 Q
PTB reference data
Original description
Rigips Rigiton perforated gypsum board 8/18 Q with acoustic non-woven, spacing 50/200 mm
Material properties
Manufacturer: Rigips GmbH
Wall distance: 2 in, 7.9 in
Perforation: 8/18 Q
Backing: acoustic non-woven
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 2 variants
NRC
0.65
Frequency values
αp per octave band
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.70 | 0.85 | 0.55 | 0.60 | 0.50 |
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| Compare | Value | |
|---|---|---|
| 200 | NRC0.65 | |
| 50 | NRC0.60 |
NRC: 0.65 (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 | 0.15 | 0.27 | 0.61 | 0.88 | 0.65 | 0.48 |
| 200 | 0.65 | 0.38 | 0.68 | 0.83 | 0.54 | 0.58 | 0.50 |
Measured values as a table (2 measurements)
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