Ecophon Sombra D/gamma glass wool acoustic ceiling tile

Ecophon – Sombra D/gamma

PTB reference data

Original description

Material properties

Manufacturer: Ecophon GmbH

Thickness: 120 mm

Wall distance: 200 mm

Surface: matte black dyed non-woven

Application: ceiling

Mounting: concealed sub-frame

ISO 354 – reverberation chamber

αw

0.32

αp nach ISO 11654

125 Hz

0.60

250 Hz

0.25

500 Hz

0.20

1000 Hz

0.40

2000 Hz

0.25

4000 Hz

0.20

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Method (354): Measured