WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
MAkustik MA10 honeycomb core sandwich panel Type 2/6
Type 2/6 – Makustik MA10 honeycomb core sandwich panel
PTB reference data
Original description
MAkustik MA10 honeycomb core sandwich panel Type 2/6
Material properties
Manufacturer: MAkustik
Thickness: 49 mm
Wall distance: 170 mm
Perforation: 7%
Hole size: 2 mm
Backing: acoustic non-woven faced back, backed with 30 mm mineral wool
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.82
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.35 | 0.90 | 0.95 | 0.95 | 1.05 | 0.55 |
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Method (354): Measured
