WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 253
Siegfried Keller Siesta slotted panel with mineral fiber
Siesta-Schlitzplatte
PTB reference data
Original description
Siegfried Keller Siesta slotted panel with mineral fiber
Material properties
Manufacturer: Siegfried Keller
Wall distance: approx. 60 mm
Perforation: 24%
Hole size: 4.6 mm
Backing: mineral fiber panel
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.60
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.40 | 0.75 | 0.85 | 0.70 | 0.75 |
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Method (354): Measured
