Mineral woolHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 78
Armstrong Ceramaguard Travertin mineral fiber acoustic panel
Ceramaguard Travertin
PTB reference data
Original description
Armstrong Ceramaguard Travertin mineral fiber acoustic panel
Material properties
Manufacturer: Armstrong Cork International GmbH
Thickness: 15 mm
Dimensions: 610 mm × 1220 mm
Surface: three-layer acrylate-based coating
Application: ceiling
Mounting: suspended metal grid
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.58
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.35 | 0.35 | 0.45 | 0.65 | 0.80 | 0.85 |
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Method (354): Measured