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 metal panels, 15% perforation ratio
Luxalon 300 A, 300S
PTB reference data
Original description
Hunter Douglas Luxalon 300 A/S metal panels, 15% perforation ratio
Material properties
Manufacturer: Hunter Douglas
Thickness: 0.7 mm (aluminum), 0.6 mm (steel)
Perforation: 15%
Hole size: 2 mm
Backing: 20 mm mineral fiber
Surface: painted
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.84
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.30 | 0.80 | 1.05 | 1.00 | 1.05 | 0.95 |
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Method (354): Measured
