PlasticHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
Barrisol Miniperf micro-perforated PVC sheet, 0.5 mm holes, 0.5% perforation ratio
Barrisol Miniperf
PTB reference data
Original description
Barrisol Miniperf micro-perforated PVC sheet, 0.5 mm holes, 0.5% perforation ratio
Material properties
Manufacturer: BARRISOL - Normalu S.A.
Thickness: 0.3 mm
Wall distance: 100 mm
Perforation: 0.5%
Hole size: 0.5 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.24
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.05 | 0.25 | 0.55 | 0.35 | 0.20 |
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Method (354): Measured