Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
Ecophon Combison Duo A fiberglass absorber with gypsum board
Ecophon – Combison Duo A
PTB reference data
Original description
Ecophon Combison Duo A fiberglass absorber with gypsum board
Material properties
Manufacturer: Ecophon GmbH
Thickness: 54 mm
Wall distance: 200 mm
Backing: 15 mm gypsum board
Surface: treated with Akutex T
Mounting: visible sub-frame made of galvanized steel
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.80
Frequency values
αp nach ISO 11654
| f (Hz) | 63 | 125 | 250 | 500 | 1k | 2k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.40 | 0.60 | 0.95 | 0.95 | 0.95 |
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Method (354): Measured
