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 ACCESS-T micro-perforated metal cassette
Luxalon ACCESS-T
PTB reference data
Original description
Hunter Douglas Luxalon ACCESS-T micro-perforated metal cassette
Material properties
Manufacturer: Hunter Douglas
Thickness: 0.5 mm
Density: 80 kg/m³
Backing: 8 mm mineral wool (80 kg/m³) with non-woven facing
Surface: micro-perforated
Up to fire class: non-combustible
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.85
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.45 | 0.65 | 0.75 | 0.85 | 0.85 | 0.95 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| Deckenkassette · gelocht | 0.85 | 0.44 | 0.64 | 0.74 | 0.83 | 0.85 | 0.95 |
Measured values as a table (1 measurement)
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