GypsumBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 242
Rigips perforated board RL 12-20-35
Rigips perforated board – RL 12-20-35
PTB reference data
Original description
Rigips perforated board RL 12-20-35
Material properties
Manufacturer: Rigips GmbH
Thickness: 9.5 mm, 12.5 mm
Wall distance: 100 mm, 200 mm, 400 mm
Hole size: 12 mm, 20 mm, 35 mm
Backing: non-woven and mineral fiber panel
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.44
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.65 | 0.70 | 0.50 | 0.35 | 0.20 | 0.20 |
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| Compare | Value | |
|---|---|---|
| 200 mm | αw0.44 | |
| 400 mm | αw0.42 | |
| 100 mm | αw0.41 |
Weight / density: 7,5 kg / m² (9,5mm) 10 kg / m² (12,5mm)
Dimensions: bis 3000x 1250 mm