Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 217
Owakustik MF 2 Streuloch mineral fiber absorber
Owakustik – MF 2 Streuloch
PTB reference data
Original description
Owakustik MF 2 Streuloch mineral fiber absorber
Material properties
Manufacturer: Odenwaldwerk
Thickness: 16 mm
Wall distance: approx. 200 mm
Perforation: irregularly perforated
Hole size: 3.5 mm, 5 mm
Up to fire class: non-combustible
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.65
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.50 | 0.45 | 0.60 | 0.80 | 0.85 | 0.75 |
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Method (354): Measured