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 300 A perforated metal panels
Luxalon 300 A
PTB reference data
Original description
Hunter Douglas Luxalon 300 A perforated metal panels
Material properties
Manufacturer: Hunter Douglas
Thickness: 0 in aluminum, 0 in steel
Wall distance: 16 in
Surface weight: 2.9 kg/m² aluminum, 6.4 kg/m² steel
Hole size: 0.1 in
Surface: pre-coated, stove-enameled
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.85
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.80 | 0.90 | 0.85 | 0.85 | 0.70 |
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Value from the PTB table, not verified
NRC: 0.85 (derived from ISO 354 lab data)
Measured values as a table (1 measurement)
| Build-up | NRC | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 400 mm · Deckenpaneele · gelocht | 0.85 | 0.35 | 0.42 | 0.50 | 0.63 | 0.85 | 0.87 | 0.90 | 0.93 | 0.83 | 0.79 | 0.83 | 0.94 | 0.88 | 0.84 | 0.80 | 0.74 | 0.69 | 0.73 | 0.72 |
Measured values as a table (1 measurement)
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