Mineral woolBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 68
AMF-Thermatex mineral fiber panel, finely perforated
finely perforated
PTB reference data
Original description
AMF-Thermatex mineral fiber panel, finely perforated
Material properties
Manufacturer: AMF - Mineralplatten GmbH Betriebs KG
Thickness: 20 mm
Wall distance: 400 mm
Dimensions: 300 x 300 mm to 1250 x 1250 mm
Surface weight: 7.4 kg/m²
Perforation: perforated
Hole size: 4 mm
Up to fire class: fire-resistant
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.59
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.30 | 0.40 | 0.70 | 0.90 | 0.95 |
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Method (354): Measured