PlasticHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.Hilge / C.Nocke
Micro-perforated PVC foil, clamped to an aluminum frame construction
Barrisol Microsorber
PTB reference data
Original description
Micro-perforated PVC foil, clamped to an aluminum frame construction
Material properties
Manufacturer: BARRISOL - Normalu S.A.
Thickness: 0.17-0.2 mm
Wall distance: 100 mm
Perforation: hole spacing 2 mm
Hole size: 0.2 mm
Mounting: clamped to an aluminum frame construction
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.66
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.70 | 1.00 | 0.80 | 0.65 | 0.60 |
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Method (354): Measured