Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA 1968, Tabelle a3.2-7
Resin-bonded mineral fiber panel
PTB reference data
Original description
Resin-bonded mineral fiber panel
Material properties
Thickness: 30 mm
Surface weight: 1.4 kg/m²
Density: 46.5 kg/m³
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 | 0.40 | 0.85 | 0.90 | 0.90 | 0.90 |
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Method (354): Measured