WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
MAkustik MA10 honeycomb sandwich panel
Type 2/6 – Makustik MA10 Sandwichplatte mit Wabenkern
PTB reference data
Original description
MAkustik MA10 honeycomb sandwich panel
Material properties
Manufacturer: MAkustik
Thickness: 49 mm
Wall distance: 0 mm
Perforation: 7%
Hole size: 2 mm
Backing: Acoustic non-woven, 30 mm mineral wool
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.70
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.65 | 1.10 | 0.90 | 1.00 | 0.50 |
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Method (354): Measured
