PlasticBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968 b 1.1-2
PVC plastic film, stretched smooth
PTB reference data
Original description
PVC plastic film, stretched smooth
Material properties
Thickness: 0.2 mm
Wall distance: 100 mm
Surface weight: 0.2 kg/m²
Surface: stretched smooth
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.04
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.00 | 0.00 | 0.10 | 0.10 | 0.10 | 0.00 |
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Method (354): Measured