Bonded mineral fiber panel, surface-treated

PTB reference data

Original description

Material properties

Thickness: 20 mm

Wall distance: 200 mm

Surface weight: 2.34 kg/m²

Density: 117 kg/m³

Flow resistance: 50 Rayl

Mounting: on cross-battening

ISO 354 – reverberation chamber

αw

0.84

αp nach ISO 11654

250 Hz

0.80

500 Hz

0.90

1000 Hz

0.80

2000 Hz

0.90

4000 Hz

0.85

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Method (354): Measured