Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA 1968, Tabelle a3.2-2
Mineral fiber panel, resin-bonded, 50 mm, 40 kg/m³, 1.98 kg/m², 12.7 kPa·s/m²
PTB reference data
Original description
Mineral fiber panel, resin-bonded, 50 mm, 40 kg/m³, 1.98 kg/m², 12.7 kPa·s/m²
Material properties
Thickness: 50 mm
Surface weight: 1.98 kg/m²
Density: 40 kg/m³
Flow resistance: 12.7 kPa·s/m²
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.76
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.55 | 0.90 | 0.95 | 0.95 | 1.00 |
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Method (354): Measured