Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 75
Celtic perforated
Original description
Armstrong Celtic perforated mineral fiber acoustic panel, 15 mm
ISO 354 – reverberation chamber· 2 variants
αp per ISO 11654
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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
