Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: M. Heckl, H.A. Müller: Taschenbuch der Technischen Akustik, Springer 1994
Bonded mineral fiber panel, 12 Rayl/cm, 30 mm thick
PTB reference data
Original description
Bonded mineral fiber panel, 12 Rayl/cm, 30 mm thick
Material properties
Thickness: 30 mm
Flow resistance: 12 Rayl/cm
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.79
Frequency values
αp nach ISO 11654
| f (Hz) | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|
| αp | 0.45 | 0.85 | 0.85 | 0.95 | 0.90 |
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Method (354): Measured