FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 254
Stankiewicz Barynal 30 F 20 foam absorber
Barynal – 30 F 20
PTB reference data
Original description
Stankiewicz Barynal 30 F 20 foam absorber
Material properties
Manufacturer: Stankiewicz GmbH
Thickness: 30 mm
Wall distance: 0 mm
Surface: black, waterproof and oil-resistant facing
Up to fire class: not easily flammable
Mounting: optionally with self-adhesive backing coating
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.52
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.20 | 0.70 | 0.90 | 0.70 | 0.65 |
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Method (354): Measured