TI-Metal ceiling facing with 30 mm mineral wool

PTB reference data

Original description

Material properties

Thickness: 30 mm

Application: ceiling

ISO 354 – reverberation chamber

αw

0.65

αp nach ISO 11654

125 Hz

0.55

250 Hz

0.85

500 Hz

0.90

1000 Hz

0.75

2000 Hz

0.50

4000 Hz

0.40

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Method (354): Measured