GypsumBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangaben im Internet unter www.rigips.de, Stand April 01
Rigiton 20/46 perforated gypsum board with 50 mm mineral wool
Rigiton 20/46
PTB reference data
Original description
Rigiton 20/46 perforated gypsum board with 50 mm mineral wool
Material properties
Manufacturer: Rigips GmbH
Wall distance: 200 mm
Perforation: 20/46
Backing: 50 mm mineral wool
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.71
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.60 | 0.95 | 0.95 | 0.80 | 0.55 | 0.40 |
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Method (354): Measured
