MetalBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 163
Hunter Douglas Luxalon 84 B aluminum panel with mineral wool
Luxalon 84 B
PTB reference data
Original description
Hunter Douglas Luxalon 84 B aluminum panel with mineral wool
Material properties
Manufacturer: Hunter Douglas
Thickness: 0.5 mm
Wall distance: 200 mm
Density: 70 kg/m³
Backing: 20 mm mineral wool blankets
Surface: stove-enameled, non-perforated
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.67
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.85 | 0.95 | 0.80 | 0.55 | 0.40 |
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Method (354): Measured
