MetalBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 163
Value from the PTB table, not verified
Hunter Douglas Luxalon 84 B aluminum panel with mineral wool (series 2)
Luxalon 84 B
PTB reference data
Original description
Hunter Douglas Luxalon 84 B aluminum panel with mineral wool (series 2)
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
0.55
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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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 100 Hz | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz | 5000 Hz | 6300 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 200 mm · Deckenpaneele · ungelocht | 0.55 | 0.25 | 0.32 | 0.59 | 0.80 | 0.91 | 0.83 | 1.00 | 1.01 | 0.87 | 0.84 | 0.80 | 0.75 | 0.60 | 0.58 | 0.42 | 0.40 | 0.42 | 0.42 | 0.45 |
Measured values as a table (1 measurement)
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