GypsumHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data online at www.rigips.de, as of April 01
Value from the PTB table, not verified
Rigips Rigiton Big Quattro 42 gypsum board, square-hole perforated
Rigiton Big Quattro 42
PTB reference data
Original description
Rigips Rigiton Big Quattro 42 gypsum board, square-hole perforated
Material properties
Manufacturer: Rigips GmbH
Thickness: 0.5 in
Wall distance: 1.8 in
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.60
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.65 | 0.70 | 0.60 | 0.45 | 0.40 |
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Value from the PTB table, not verified
NRC: 0.60 (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 |
|---|---|---|---|---|---|---|---|
| 12,5 mm · 8,1 kg/m^2 · 45 · Verlegung durch Fugenverklebung · Lochung quadratisch,12 mm x 12 mm, Lochabstand 25 mm, Lochflächenanteil in der gelochten Fläche 22,1%, regelmäßig, in mittelgroßen quadratischen Feldern | 0.60 | 0.40 | 0.65 | 0.70 | 0.60 | 0.45 | 0.40 |
Measured values as a table (1 measurement)
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