RockWool 50 mm + sheet corrugated to key pattern

PTB reference data

Original description

Material properties

Manufacturer: RockWool

Thickness: 50 mm

ISO 354 – reverberation chamber

αw

0.65

αp nach ISO 11654

125 Hz

0.50

250 Hz

0.70

500 Hz

0.80

1000 Hz

0.75

2000 Hz

0.60

4000 Hz

0.50

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Method (354): Measured