MetalHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data www.luxalon.com
Value from the PTB table, not verified
Luxalon 225 C perforated aluminum panels with acoustic non-woven
Luxalon 225 C
PTB reference data
Original description
Luxalon 225 C perforated aluminum panels with acoustic non-woven
Material properties
Manufacturer: Hunter Douglas
Thickness: 0.6 mm
Wall distance: 200 mm
Surface weight: 2.19 kg/m²
Hole size: 2 mm
Backing: black acoustic non-woven facing
Application: ceiling
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 | 0.35 | 0.75 | 0.90 | 0.70 | 0.70 | 0.70 |
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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 | 0.30 | 0.43 | 0.60 | 0.74 | 0.87 | 0.90 | 0.88 | 0.93 | 0.75 | 0.58 | 0.71 | 0.72 | 0.71 | 0.72 | 0.72 | 0.70 | 0.68 | 0.60 |
Measured values as a table (1 measurement)
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