MetalHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data www.luxalon.com
Value from the PTB table, not verified
Hunter Douglas Luxalon 84 B perforated aluminum panels with mineral wool
Luxalon 84 B
PTB reference data
Original description
Hunter Douglas Luxalon 84 B perforated aluminum panels with mineral wool
Material properties
Manufacturer: Hunter Douglas
Thickness: 0.5 mm
Wall distance: 200 mm
Surface weight: 1.7 kg/m²
Density: 22 kg/m³
Hole size: 2 mm
Backing: 25 mm thick mineral wool mat
Surface: pre-coated, stove-enameled
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.75
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.25 | 0.50 | 0.75 | 0.75 | 0.95 | 0.95 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 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 · gelocht | 0.75 | 0.19 | 0.33 | 0.40 | 0.55 | 0.57 | 0.68 | 0.76 | 0.81 | 0.77 | 0.74 | 0.75 | 0.90 | 0.96 | 0.93 | 0.93 | 0.93 | 0.98 | 1.01 |
Measured values as a table (1 measurement)
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