PlasticHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
Makustik MA15 Translucent Acoustic Element Type 2/6
Type 2/6 – Makustik MA15 Translucent Acoustic Element
PTB reference data
Original description
Makustik MA15 Translucent Acoustic Element Type 2/6
Material properties
Manufacturer: MAkustik
Thickness: 50 mm
Wall distance: 0 mm
Perforation: 7% perforation ratio, hole spacing 6 mm
Hole size: 2 mm
Backing: acoustic non-woven and 30 mm mineral wool
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.72
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.60 | 1.00 | 1.10 | 1.00 | 0.60 |
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Method (354): Measured