alveolated partition cm 8x45x22.5 F/A = 45% + whitewash

PTB reference data

Original description

Material properties

Dimensions: 8 x 45 x 22.5 cm

Perforation: 45 %

Surface: whitewashed

Application: partition wall

ISO 354 – reverberation chamber

αw

0.03

αp nach ISO 11654

125 Hz

0.00

250 Hz

0.00

500 Hz

0.05

1000 Hz

0.05

2000 Hz

0.05

4000 Hz

0.05

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Method (354): Measured