Mineral woolHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA 1968, Tabelle a3.2-6
Mineral fiber panel, resin-bonded
PTB reference data
Original description
Mineral fiber panel, resin-bonded
Material properties
Thickness: 10 mm
Surface weight: 1.6 kg/m²
Density: 160 kg/m³
Flow resistance: 0.025 kPa·s/m²
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.49
Frequency values
αp nach ISO 11654
| f (Hz) | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|
| αp | 0.10 | 0.25 | 0.50 | 0.70 | 0.95 |
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Method (354): Measured