Lightweight chipboard on cross-batten sub-frame

PTB reference data

Original description

Material properties

Thickness: 19 mm

Wall distance: 50 mm

Surface weight: 6.4 kg/m²

Flow resistance: 0.139 kPa·s/m²

Mounting: cross-batten sub-frame

ISO 354 – reverberation chamber

αw

0.50

αp nach ISO 11654

125 Hz

0.20

250 Hz

0.55

500 Hz

0.75

1000 Hz

0.55

2000 Hz

0.55

4000 Hz

0.45

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Method (354): Measured