Mineral woolBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968 a 7-1
Plywood-faced mineral fiber panel on sub-frame
PTB reference data
Original description
Plywood-faced mineral fiber panel on sub-frame
Material properties
Thickness: 6 mm plywood
Wall distance: 50 mm air cavity, 50 mm mineral fiber panel
Density: 100 kg/m³
Flow resistance: 20 Rayl/cm
Application: wall
Mounting: on sub-frame
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.27
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.50 | 0.55 | 0.30 | 0.20 | 0.10 | 0.10 |
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Method (354): Measured