Plaster ceiling, 60 mm with lighting & ventilation

PTB reference data

Original description

Material properties

Thickness: 60 mm

Application: ceiling

Mounting: with lighting & ventilation

ISO 354 – reverberation chamber

αw

0.05

αp nach ISO 11654

125 Hz

0.10

250 Hz

0.10

500 Hz

0.05

1000 Hz

0.05

2000 Hz

0.05

4000 Hz

0.00

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Method (354): Measured