GypsumBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangaben im Internet unter www.rigips.de, Stand April 01
Rigips Gyptone Quattro 20 gypsum ceiling tile
Gyptone Quattro 20, RGK Quattro 20
PTB reference data
Original description
Rigips Gyptone Quattro 20 gypsum ceiling tile
Material properties
Manufacturer: Rigips GmbH
Thickness: 13 mm
Wall distance: 45 mm, 185 mm
Perforation: round perforated
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.69
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.25 | 0.65 | 1.00 | 0.95 | 0.65 | 0.65 |
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| Compare | Value | |
|---|---|---|
| 45 | αw0.69 | |
| 185 | αw0.62 | |
| 45 | αw0.50 |
Weight / density: 8 kg/m^2
Dimensions: 625 mm x625 mm