WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data
Value from the PTB table, not verified
MAkustik Type 8/16 acoustic panel with mineral wool
Type 8/16 – MAkustik MA01 straight-drilled perforation
PTB reference data
Original description
MAkustik Type 8/16 acoustic panel with mineral wool
Material properties
Manufacturer: MAkustik
Thickness: 46 mm
Wall distance: 0 mm
Perforation: 20%
Hole size: 8 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 | 0.10 | 0.50 | 1.00 | 0.95 | 0.65 | 0.55 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 100 Hz | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz | 5000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 46 mm · 0 | 0.70 | 0.06 | 0.10 | 0.20 | 0.32 | 0.52 | 0.72 | 0.86 | 1.06 | 1.02 | 1.06 | 0.99 | 0.84 | 0.72 | 0.61 | 0.57 | 0.54 | 0.58 | 0.60 |
Measured values as a table (1 measurement)
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