Mineral woolLow-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
Ecophon Master D/gamma glass wool panel with non-woven
Ecophon – Master D, gamma
PTB reference data
Original description
Ecophon Master D/gamma glass wool panel with non-woven
Material properties
Manufacturer: Ecophon GmbH
Thickness: 40 mm
Wall distance: 200 mm, 90 mm
Backing: non-woven faced
Surface: smooth
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.30
Frequency values
αp per ISO 11654
| f (Hz) | 63 | 125 | 250 | 500 | 1k | 2k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.40 | 0.35 | 0.50 | 0.30 | 0.15 |
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| Compare | Value | |
|---|---|---|
| tKh = 90 mm (totale Konstruktionshöhe) | αw0.30 | |
| tKh = 200 mm (totale Konstruktionshöhe) | αw0.25 |
Weight / density: ca. 5 kg / m² incl. Unterkonstruktion
Dimensions: 600 x 600 mm, 625 x 625 mm
Application: Deckenelement, demontierbar, diskreter Plattenstoß, for Schulen and überall dort, wo die Anforderungen an eine gute Sprachverständlichkeit besonders hoch sind