WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
MAkustik MA04 slotted wood acoustic panel with mineral wool
Type 5/3 – MAkustik MA04 continuous slotted
PTB reference data
Original description
MAkustik MA04 slotted wood acoustic panel with mineral wool
Material properties
Manufacturer: MAkustik
Thickness: 46 mm
Wall distance: 0 mm
Perforation: 38% slots (approx. 16% open area)
Backing: 30 mm mineral wool
Surface: non-woven faced
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.74
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.50 | 1.00 | 1.05 | 0.95 | 0.75 |
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Method (354): Measured
