Mineral woolHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 114
Value from the PTB table, not verified
Isover FS mineral fiber panel
Isover panel – FS
PTB reference data
Original description
Isover FS mineral fiber panel
Material properties
Manufacturer: Saint-Gobain Isover G+H AG
Thickness: 0.8 in, 3.1 in
Wall distance: 0 in
Up to fire class: non-combustible
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 | 0.50 | 0.80 | 1.00 | 1.00 | 1.00 | 1.00 |
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| Compare | Value | |
|---|---|---|
| 3.1 in | NRC0.95 | |
| 0.8 in | NRC0.55 |
NRC: 0.95 (derived from ISO 354 lab data)
Weight / density: 33 kg / m³
Dimensions: 1250 x 24 in
Distance: 0
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20 mm · 33 kg / m³ · 0 | 0.55 | 0.05 | 0.07 | 0.13 | 0.17 | 0.26 | 0.39 | 0.50 | 0.57 | 0.63 | 0.71 | 0.75 | 0.80 | 0.84 | 0.86 | 0.89 | 0.92 |
| 80 mm · 33 kg / m³ · 0 | 0.95 | 0.41 | 0.55 | 0.67 | 0.80 | 0.86 | 0.95 | 1.02 | 1.02 | 1.01 | 1.01 | 1.02 | 1.02 | 1.02 | 1.03 | 1.04 | 1.05 |
Measured values as a table (2 measurements)
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