Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA 1968, Tabelle a3.2-3
Resin-bonded mineral fiber panel
PTB reference data
Original description
Resin-bonded mineral fiber panel
Material properties
Thickness: 50 mm
Density: 100 kg/m³
Flow resistance: 2.2 kPa·s/m
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.83
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.25 | 0.60 | 1.00 | 1.05 | 1.00 | 1.00 |
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Method (354): Measured