Ecophon Combison Duo B glass wool panel with drywall

Ecophon – Combison Duo B

PTB reference data

Original description

Material properties

Manufacturer: Ecophon GmbH

Thickness: 54 mm

Wall distance: 200 mm

Backing: 15 mm drywall

Surface: Akutex T treated

ISO 354 – reverberation chamber

αw

0.79

αp nach ISO 11654

125 Hz

0.40

250 Hz

0.60

500 Hz

0.95

1000 Hz

0.95

2000 Hz

0.95

4000 Hz

0.90

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Method (354): Measured