Drywall on frame, 9.5 mm boards, 100 mm cavity filled with mineral wool

PTB reference data

Original description

Material properties

Thickness: 9.5 mm

Wall distance: 100 mm

Backing: mineral wool

Mounting: on frame

ISO 354 – reverberation chamber

αw

0.11

αp nach ISO 11654

125 Hz

0.10

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