Mineral woolBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 74
Armstrong Aleria mineral fiber acoustic panels, 15 mm
Aleria
PTB reference data
Original description
Armstrong Aleria mineral fiber acoustic panels, 15 mm
Material properties
Manufacturer: Armstrong Cork International GmbH
Thickness: 15 mm
Wall distance: 500 mm
Dimensions: 600 mm x 1200 mm, 625 mm x 1250 mm
Surface weight: 4.7 kg/m²
Surface: three-layer PVAC-based paint coating
Mounting: metal suspension system
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.66
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.35 | 0.40 | 0.50 | 0.70 | 0.95 | 0.95 |
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Method (354): Measured