FoamHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Produktblatt des Herstellers
pinta acoustic Waffel willtec melamine foam
Waffel willtec – 20/35
PTB reference data
Original description
pinta acoustic Waffel willtec melamine 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
0.43
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.15 | 0.30 | 0.50 | 0.70 | 0.80 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured
