WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
MAkustik MA10 sandwich panel Type 1.3/5 with mineral wool
Type 1.3/5 – Makustik MA10 sandwich panel with frame
PTB reference data
Original description
MAkustik MA10 sandwich panel Type 1.3/5 with mineral wool
Material properties
Manufacturer: MAkustik
Thickness: 19 mm
Wall distance: 350 mm
Perforation: 5%
Hole size: 1.3 mm
Backing: 15 mm mineral wool
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.60
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.45 | 0.70 | 0.65 | 0.75 | 0.70 | 0.40 |
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Method (354): Measured
