Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
Ecophon Sombra A glass wool acoustic ceiling tile
Ecophon – Sombra A
PTB reference data
Original description
Ecophon Sombra A glass wool acoustic ceiling tile
Material properties
Manufacturer: Ecophon GmbH
Thickness: 20 mm, 40 mm
Wall distance: 50 mm, 200 mm
Backing: non-woven
Surface: matte black dyed non-woven
Application: ceiling
Mounting: visible suspended grid made of galvanized steel
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 4 variants
αw
0.91
Frequency values
αp per ISO 11654
| f (Hz) | 63 | 125 | 250 | 500 | 1k | 2k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.50 | 0.95 | 1.00 | 1.00 | 1.00 |
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| Compare | Value | ||
|---|---|---|---|
| 40 mm | tKh = 200 mm (totale Konstruktionshöhe) | αw0.91 | |
| 20 mm | tKh = 200 mm (totale Konstruktionshöhe) | αw0.85 | |
| 40 mm | tKh = 50 mm (totale Konstruktionshöhe) | αw0.79 | |
| 20 mm | tKh = 50 mm (totale Konstruktionshöhe) | αw0.70 |
Weight / density: 3 kg / m²
Dimensions: 600 x 600 mm, 625 x 625 mm, 1200 x 600 mm, 1250 x 625 mm
Application: Deckenplatten with geringem Lichtreflexionsgrad, z.B. for Kinos
