PlasticHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.Hilge / C.Nocke
Barrisol Microsorber micro-perforated PVC foil
Barrisol Microsorber
PTB reference data
Original description
Barrisol Microsorber micro-perforated PVC foil
Material properties
Manufacturer: BARRISOL - Normalu S.A.
Thickness: 0.17-0.2 mm
Wall distance: 100 mm
Hole size: 0.2 mm
Mounting: clamped to aluminum frame construction
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.40
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.15 | 0.55 | 0.65 | 0.50 | 0.55 |
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Method (354): Measured