PlasticHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
O.R.V. Polipren T polyester fiber absorber
Polipren T
PTB reference data
Original description
O.R.V. Polipren T polyester fiber absorber
Material properties
Manufacturer: O.R.V. Ovattificio Resinatura Valpadana
Thickness: 20 mm
Application: thermal and sound insulation, sound absorption
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.79
Frequency values
αp nach ISO 11654
| f (Hz) | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|
| αp | 0.40 | 0.65 | 1.00 | 0.95 | 1.00 |
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Method (354): Measured
