Wall carpet with mineral fiber and air cavity

PTB reference data

Original description

Material properties

Wall distance: 10 cm

Backing: 5 cm mineral fiber

Application: wall

ISO 354 – reverberation chamber

αw

0.70

αp nach ISO 11654

125 Hz

0.25

250 Hz

0.50

500 Hz

0.85

1000 Hz

0.90

2000 Hz

0.85

4000 Hz

0.85

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Method (354): Measured