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)631252505001k2k
αp0.150.550.750.800.850.95

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25 mmαw0.81
20 mmαw0.81

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)

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See also