FoamHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Produktblatt des Herstellers
pinta acoustic Waffel S35sv polyurethane foam
Waffel S35sv – 20/35
PTB reference data
Original description
pinta acoustic Waffel S35sv polyurethane foam
Material properties
Manufacturer: pinta acoustic gmbh
Thickness: 20 mm, 35 mm
Wall distance: 0 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.44
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.15 | 0.25 | 0.45 | 0.80 | 0.85 |
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Method (354): Measured
