WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data
Value from the PTB table, not verified
MAkustik MA10 sandwich panel with frame and mineral wool
Type 1.3/5 – Makustik MA10 sandwich panel with frame
PTB reference data
Original description
MAkustik MA10 sandwich panel with frame and mineral wool
Material properties
Manufacturer: MAkustik
Thickness: 19 mm
Wall distance: 30 mm
Perforation: 5 %
Hole size: 1.3 mm
Backing: 15 mm mineral wool
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.50
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.30 | 0.70 | 0.90 | 0.60 | 0.30 |
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 19 mm · 30 mm | 0.50 | 0.04 | 0.04 | 0.10 | 0.20 | 0.28 | 0.38 | 0.57 | 0.73 | 0.87 | 0.95 | 0.89 | 0.81 | 0.68 | 0.56 | 0.49 | 0.39 | 0.30 | 0.22 |
Measured values as a table (1 measurement)
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