Mineral woolHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 137
Isover Dämmfilz FK-KV, mineral fiber, non-combustible
Isover Dämmfilz – FK-KV
PTB reference data
Original description
Isover Dämmfilz FK-KV, mineral fiber, non-combustible
Material properties
Manufacturer: Saint-Gobain Isover G+H AG
Thickness: 20 mm
Wall distance: 0 mm, 50 mm
Backing: glass veil
Up to fire class: non-combustible
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.72
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.45 | 0.70 | 0.90 | 0.95 | 1.05 |
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| Compare | Value | |
|---|---|---|
| 50 mm | αw0.72 | |
| 0 | αw0.60 |
Weight / density: ca. 25 kg / m³
Dimensions: 1200 x 10000 mm