Rockfon Fibral panels, thickness 20 mm

PTB reference data

Original description

Material properties

Thickness: 20 mm

ISO 354 – reverberation chamber

αw

0.69

αp nach ISO 11654

125 Hz

0.20

250 Hz

0.30

500 Hz

0.80

1000 Hz

0.95

2000 Hz

0.95

4000 Hz

0.95

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Method (354): Measured