PlasticLow-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968, c1-22
Rigid PVC folding panels with profiled surface, 1.5 mm
PTB reference data
Original description
Rigid PVC folding panels with profiled surface, 1.5 mm
Material properties
Thickness: 1.5 mm
Wall distance: 400 mm
Dimensions: 1970 x 900 mm
Surface weight: 1.75 kg/m²
Surface: profiled surface
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.16
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.25 | 0.20 | 0.10 | 0.10 | 0.10 | 0.15 |
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Method (354): Measured