Mineral woolHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 122
Value from the PTB table, not verified
Isover Mineral Fiber Sound Absorption Panel P4/V
Isover Sound Absorption Panel – P4 / V
PTB reference data
Original description
Isover Mineral Fiber Sound Absorption Panel P4/V
Material properties
Manufacturer: Saint-Gobain Isover G+H AG
Thickness: 20 mm, 80 mm
Wall distance: 0 mm
Up to fire class: non-combustible
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
1.00
Frequency values
αp per ISO 11654
| 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 | |
|---|---|---|
| 80 mm | αw1.00 | |
| 20 mm | αw0.50 |
Weight / density: ca. 33 kg / m³
Dimensions: 1250 x 600 mm
Distance: 0
Measured values as a table (2 measurements)
| Build-up | αw | 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 · ca. 33 kg / m³ · 0 | 0.50 | 0.05 | 0.08 | 0.13 | 0.18 | 0.28 | 0.40 | 0.52 | 0.59 | 0.64 | 0.73 | 0.79 | 0.81 | 0.87 | 0.88 | 0.91 | 0.94 |
| 80 mm · ca. 33 kg / m³ · 0 | 1.00 | 0.43 | 0.55 | 0.67 | 0.82 | 0.87 | 0.99 | 1.09 | 1.07 | 1.04 | 1.02 | 1.02 | 1.03 | 1.03 | 1.04 | 1.06 | 1.07 |
Measured values as a table (2 measurements)
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