sheet corrugated to key pattern thickness = 1 mm

PTB reference data

Original description

Material properties

Thickness: 1 mm

ISO 354 – reverberation chamber

αw

0.04

αp nach ISO 11654

125 Hz

0.15

250 Hz

0.05

500 Hz

0.05

1000 Hz

0.00

2000 Hz

0.00

4000 Hz

0.00

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Method (354): Measured