Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 258
Egi mineral fiber facade insulation panel EFP
Egi-Fassadendämmplatte – EFP
PTB reference data
Original description
Egi mineral fiber facade insulation panel EFP
Material properties
Manufacturer: Thyssen Schalker Verein GmbH
Thickness: 50 mm
Wall distance: 0 mm
Surface: water-repellent due to special impregnation
Up to fire class: non-combustible
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.78
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.25 | 0.60 | 1.00 | 1.00 | 0.95 | 1.00 |
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Method (354): Measured