Rigiton Big Quattro 49 with Scherff acoustic plaster

PTB reference data

Original description

Material properties

Manufacturer: Rigips GmbH

Thickness: 12.5 mm

Wall distance: 100 mm

ISO 354 – reverberation chamber

αw

0.72

αp nach ISO 11654

125 Hz

0.40

250 Hz

0.80

500 Hz

1.00

1000 Hz

0.85

2000 Hz

0.70

4000 Hz

0.55

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Method (354): Measured