MetalHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 161
Hunter Douglas Luxalon 70 U sports hall ceiling
Sports hall ceiling – Luxalon 70 U
PTB reference data
Original description
Hunter Douglas Luxalon 70 U sports hall ceiling
Material properties
Manufacturer: Hunter Douglas
Thickness: 0.8 mm
Wall distance: 200 mm
Density: 55 kg/m³
Backing: 25 mm mineral wool
Surface: stove-enameled
Up to fire class: non-combustible
Application: sports hall ceiling
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.72
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.75 | 0.80 | 0.80 | 0.75 | 0.60 | 0.50 |
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Method (354): Measured
