PlasticHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
Unperforated sheet with 45 mm insulation on ground
Barrisol unperforated
PTB reference data
Original description
Unperforated sheet with 45 mm insulation on ground
Material properties
Manufacturer: BARRISOL - Normalu S.A.
Thickness: 0.17 mm
Wall distance: 55 mm
Backing: 45 mm insulation
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.33
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.60 | 0.65 | 0.25 | 0.20 | 0.15 |
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Method (354): Measured