GypsumBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 238
Rigips RL 20/46 perforated gypsum board with fiber absorber
Rigips-Lochplatte – RL 20/46
PTB reference data
Original description
Rigips RL 20/46 perforated gypsum board with fiber absorber
Material properties
Manufacturer: Rigips GmbH
Thickness: 9.5 mm, 12.5 mm
Wall distance: 100 mm, 200 mm, 400 mm
Hole size: 20 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.65
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.65 | 0.80 | 0.70 | 0.70 | 0.60 | 0.50 |
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| Compare | Value | |
|---|---|---|
| 400 mm | αw0.65 | |
| 200 mm | αw0.63 | |
| 100 mm | αw0.62 |
Weight / density: 7,5 kg / m² (9,5mm) 10 kg / m² (12,5mm)
Dimensions: bis 3000x 1250 mm
