Ecophon Hygiene Protec A II glass wool fiber absorber

Ecophon – Hygiene Protec A II

PTB reference data

Original description

Material properties

Manufacturer: Ecophon GmbH

Thickness: 20 mm

Wall distance: 200 mm

Surface: Akutex T surface

ISO 354 – reverberation chamber

αw

0.79

αp nach ISO 11654

125 Hz

0.50

250 Hz

0.75

500 Hz

0.80

1000 Hz

0.85

2000 Hz

0.95

4000 Hz

0.90

Create a permanent free account — Access frequency bands, variants and export.

Free. No password required.

Method (354): Measured