Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Odeon (Index 1100)
50 mm mineral wool (40 kg/m3), glued to wall, untreated surface
PTB reference data
Original description
50 mm mineral wool (40 kg/m3), glued to wall, untreated surface
Material properties
Thickness: 50 mm
Density: 40 kg/m³
Surface: untreated
Mounting: glued to wall
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.63
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.25 | 0.20 | 0.20 | 0.30 | 0.30 |
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Method (354): Measured