MetalHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data www.luxalon.com
Value from the PTB table, not verified
Luxalon LAY-IN/LAY-ON perforated metal cassette with mineral wool
Luxalon LAY-IN / LAY-ON
PTB reference data
Original description
Luxalon LAY-IN/LAY-ON perforated metal cassette with mineral wool
Material properties
Manufacturer: Hunter Douglas
Thickness: 0.5 mm
Wall distance: 200 mm
Hole size: 1.5 mm
Backing: 20 mm mineral wool (20 kg/m³)
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
1.00
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.50 | 0.90 | 1.00 | 0.95 | 1.00 | 1.00 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 100 Hz | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 200 mm · Deckenkassette · gelocht | 1.00 | 0.23 | 0.48 | 0.73 | 0.75 | 0.97 | 1.03 | 1.08 | 1.07 | 1.00 | 0.90 | 0.97 | 1.03 | 1.03 | 1.06 | 1.08 | 1.08 | 1.08 | 1.10 |
Measured values as a table (1 measurement)
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