Rockwool, thickness 50 mm, 70 kg/m³

PTB reference data

Original description

Material properties

Thickness:

50 mm

Density: 70 kg/m³

ISO 354 – reverberation chamber

αw

0.73

αp nach ISO 11654

125 Hz

0.20

250 Hz

0.65

500 Hz

0.90

1000 Hz

0.90

2000 Hz

0.85

4000 Hz

0.85

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Method (354): Measured