MetalHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 167
Value from the PTB table, not verified
Hunter Douglas Luxalon 132 B fiber absorber on metal panels
Luxalon 132 B
PTB reference data
Original description
Hunter Douglas Luxalon 132 B fiber absorber on metal panels
Material properties
Manufacturer: Hunter Douglas
Wall distance: 7.9 in
Density: 70 kg/m³
Perforation: 15%
Hole size: 0.1 in
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 2 variants
NRC
0.95
Frequency values
αp per octave band
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.35 | 0.80 | 1.00 | 0.95 | 1.00 | 1.00 |
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| Compare | Value |
|---|---|
| NRC0.95 | |
| NRC0.95 |
NRC: 0.95 (derived from ISO 354 lab data)
Weight / density: Mineralwolldichte 70 kg / m³
Dimensions: Paneelbreite 5.2 in, Schlitzbreite 1 in
Application: Deckenpaneele
Distance: 7.9 in
Measured values as a table (2 measurements)
| Build-up | NRC | 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 | 6300 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mineralwolldichte 70 kg / m³ · 200 mm · Deckenpaneele · gelocht | 0.95 | 0.19 | 0.31 | 0.59 | 0.72 | 0.81 | 0.90 | 0.92 | 1.10 | 1.00 | 1.02 | 0.82 | 1.00 | 1.10 | 1.06 | 1.06 | 1.05 | 0.98 | 1.02 | 1.05 |
| Mineralwolldichte 70 kg / m³ · 200 mm · Deckenpaneele · gelocht | 0.95 | 0.15 | 0.26 | 0.47 | 0.72 | 0.81 | 0.87 | 0.92 | 0.98 | 0.96 | 1.00 | 0.90 | 0.95 | 1.13 | 1.11 | 1.05 | 1.00 | 1.05 | 0.98 | 0.93 |
Measured values as a table (2 measurements)
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