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 41 perforated gypsum board, spacing 45 mm
Rigiton Big Quattro 41
PTB reference data
Original description
Rigips Rigiton Big Quattro 41 perforated gypsum board, spacing 45 mm
Material properties
Manufacturer: Rigips GmbH
Thickness: 12.5 mm
Wall distance: 45 mm
Perforation: square-hole perforation
Backing: 45 mm mineral wool in cavity
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.75
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.75 | 0.85 | 0.75 | 0.65 | 0.65 |
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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 |
|---|---|---|---|---|---|---|---|
| 12,5 mm · 7,6 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, with geschlossenem Randbereich | 0.75 | 0.40 | 0.75 | 0.85 | 0.75 | 0.65 | 0.65 |
Measured values as a table (1 measurement)
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