MetalHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 165
Value from the PTB table, not verified
Hunter Douglas Luxalon 84 R perforated metal fiber absorber, ungelocht
Luxalon 84 R
PTB reference data
Original description
Hunter Douglas Luxalon 84 R perforated metal fiber absorber, ungelocht
Material properties
Manufacturer: Hunter Douglas
Thickness: 0 in
Surface: stove-enameled
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 2 variants
NRC
0.75
Frequency values
αp per octave band
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.75 | 0.90 | 0.85 | 0.75 | 0.65 | 0.55 |
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| Compare | Value |
|---|---|
| NRC0.75 | |
| NRC0.75 |
NRC: 0.75 (derived from ISO 354 lab data)
Weight / density: Mineralwolldichte 46 kg / m³
Dimensions: Paneelbreite 3.3 in, Schlitzbreite 1.1 in, Länge bis 6 m
Application: Deckenpaneele
Measured values as a table (2 measurements)
| Build-up | NRC | 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 46 kg / m³ · Deckenpaneele · ungelocht | 0.75 | 0.60 | 0.86 | 0.88 | 0.83 | 0.93 | 0.89 | 0.86 | 0.80 | 0.79 | 0.79 | 0.73 | 0.87 | 0.55 | 0.54 | 0.55 | 0.54 | 0.54 | 0.56 |
| Mineralwolldichte 46 kg / m³ · Deckenpaneele · ungelocht | 0.75 | 0.52 | 0.86 | 0.88 | 0.86 | 0.93 | 0.90 | 0.88 | 0.80 | 0.75 | 0.76 | 0.62 | 0.52 | 0.47 | 0.40 | 0.33 | 0.41 | 0.48 | 0.52 |
Measured values as a table (2 measurements)
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