MetalHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 171
Hunter Douglas Luxalon 300 A/S, perforated metal panels
Luxalon 300 A, 300S
PTB reference data
Original description
Hunter Douglas Luxalon 300 A/S, perforated metal panels
Material properties
Manufacturer: Hunter Douglas
Thickness: 0.7 mm aluminum or 0.6 mm galvanized steel
Perforation: 15%
Hole size: 2 mm
Backing: 25 mm mineral fiber
Surface: painted
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 | 0.50 | 0.80 | 0.90 | 0.85 | 0.80 | 0.70 |
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Method (354): Measured
