Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA 1968, Tabelle a3.2-5
Mineral fiber panel, resin-bonded
PTB reference data
Original description
Mineral fiber panel, resin-bonded
Material properties
Thickness: 20 mm
Surface weight: 2.82 kg/m²
Density: 150 kg/m³
Flow resistance: 5.08 kPa·s/m²
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.57
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.15 | 0.50 | 0.80 | 0.95 | 1.00 |
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Method (354): Measured