GypsumBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangaben im Internet unter www.rigips.de, Stand April 01
Rigips Rigiton 12/25 perforated gypsum board
Rigiton 12/25
PTB reference data
Original description
Rigips Rigiton 12/25 perforated gypsum board
Material properties
Manufacturer: Rigips GmbH
Wall distance: 50 mm, 200 mm
Perforation: 12/25
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.60
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.75 | 0.90 | 0.60 | 0.55 | 0.40 |
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| Compare | Value | |
|---|---|---|
| 200 | αw0.60 | |
| 50 | αw0.50 |