Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA 1968, Tabelle a3.2-11
Bonded mineral fiber panel, surface-treated on both sides
PTB reference data
Original description
Bonded mineral fiber panel, surface-treated on both sides
Material properties
Thickness: 20 mm
Wall distance: 100 mm
Surface weight: 2.34 kg/m²
Density: 117 kg/m³
Backing: air cavity 100 mm
Surface: surface-treated on both sides
Flow resistance: 50 Rayl
Mounting: on cross-battening
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.81
Frequency values
αp nach ISO 11654
| f (Hz) | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|
| αp | 0.55 | 0.90 | 0.95 | 0.85 | 0.85 |
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Method (354): Measured