Mineral woolLow-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
Ecophon Sombra D/gamma glass wool acoustic ceiling tile
Ecophon – Sombra D/gamma
PTB reference data
Original description
Ecophon Sombra D/gamma glass wool acoustic ceiling tile
Material properties
Manufacturer: Ecophon GmbH
Thickness: 120 mm
Wall distance: 200 mm
Surface: matte black dyed non-woven
Application: ceiling
Mounting: concealed sub-frame
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.32
Frequency values
αp nach ISO 11654
| f (Hz) | 63 | 125 | 250 | 500 | 1k | 2k |
|---|---|---|---|---|---|---|
| αp | 0.80 | 0.60 | 0.25 | 0.20 | 0.40 | 0.25 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured