Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 75
Armstrong Celtic perforated mineral fiber acoustic panel, 15 mm
Celtic perforated
PTB reference data
Original description
Armstrong Celtic perforated mineral fiber acoustic panel, 15 mm
Material properties
Manufacturer: Armstrong Cork International GmbH
Thickness: 15 mm
Wall distance: 500 mm
Dimensions: 300 × 300 mm, 600 × 600 mm, 625 × 625 mm
Surface weight: 4.7 kg/m²
Surface: three-layer PVAC-based paint coating
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.54
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.35 | 0.40 | 0.65 | 0.70 | 0.60 | 0.55 |
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| Compare | Value |
|---|---|
| αw0.54 | |
| αw0.24 |
Weight / density: 4,7 kg / m²
Dimensions: 300 x 300, 600 x 600, 625 x 625, 600 x 1200 and 625 x 1250 mm
Distance: 500 mm