Mineral woolBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 77
Armstrong SD Straight Row 9.5mm mineral fiber acoustic panel
SD Straight Row 9.5mm
PTB reference data
Original description
Armstrong SD Straight Row 9.5mm mineral fiber acoustic panel
Material properties
Manufacturer: Armstrong Cork International GmbH
Thickness: 15 mm
Wall distance: 500 mm
Dimensions: 600 x 1200 mm, 625 x 1250 mm
Surface weight: 4.6 kg/m²
Surface: three-layer PVAC-based coating
Mounting: metal suspension
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.70
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.40 | 0.65 | 1.00 | 0.95 | 0.75 |
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Method (354): Measured