TextileHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
mbakustik curtain Type AV 32, 2-layer
Type AV 32
PTB reference data
Original description
mbakustik curtain Type AV 32, 2-layer
Material properties
Manufacturer: mbakustik
Wall distance: 450 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.95
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.35 | 0.70 | 0.90 | 1.25 | 1.30 | 1.35 |
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Method (354): Measured