FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 254
Soning Barynal – 50 F 20 foam absorber
Barynal – 50 F 20
PTB reference data
Original description
Soning Barynal – 50 F 20 foam absorber
Material properties
Manufacturer: Soning
Thickness: 50 mm
Wall distance: 0 mm
Backing: optionally with self-adhesive backing coating
Surface: black, waterproof and oil-resistant surface layer
Up to fire class: not easily flammable
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.58
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.35 | 0.90 | 0.80 | 0.75 | 0.60 |
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Method (354): Measured