FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: RAMSETE
expanded polyurethane PAE 50 mm + PU
PTB reference data
Original description
expanded polyurethane PAE 50 mm + PU
Material properties
Thickness: 50 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.64
Frequency values
αp nach ISO 11654
| f (Hz) | 63 | 125 | 250 | 500 | 1k | 2k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.15 | 0.30 | 0.70 | 0.95 | 0.90 |
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Method (354): Measured