Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
Ecophon Access C glass wool fiber absorber
Ecophon – Access C
PTB reference data
Original description
Ecophon Access C glass wool fiber absorber
Material properties
Manufacturer: Ecophon GmbH
Thickness: 25 mm, 20 mm
Wall distance: 200 mm
Backing: non-woven faced
Surface: treated with Akutex T
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.81
Frequency values
αp per ISO 11654
| f (Hz) | 63 | 125 | 250 | 500 | 1k | 2k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.55 | 0.75 | 0.80 | 0.85 | 0.95 |
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| Compare | Value | |
|---|---|---|
| 25 mm | αw0.81 | |
| 20 mm | αw0.81 |
Weight / density: ca. 4 kg / m² each nach Ausführung and Unterkonstruktion
Dimensions: Länge 560 - 2400 mm, width 577, 677, 777, 877, 977, 1077, 1177 mm
Distance: tKh = 200 mm (totale Konstruktionshöhe)