Spruce wood paneling, slotted, with mineral fiber mat

PTB reference data

Original description

Material properties

Thickness: 20 mm

Wall distance: 50 mm

Hole size: 10 mm

Backing: mineral fiber mat quilted on bitumen paper

Surface: planed, unpainted

Mounting: slotted, all slots open

ISO 354 – reverberation chamber

αw

0.32

αp nach ISO 11654

125 Hz

0.20

250 Hz

0.50

500 Hz

0.75

1000 Hz

0.20

2000 Hz

0.10

4000 Hz

0.20

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Method (354): Measured