Lignoform Quadrillo ceiling tile with acoustic non-woven

Lignoform Quadrillo ceiling panel with acoustic non-woven

PTB reference data

Original description

Material properties

Manufacturer: Lignoform Benken AG

Thickness: 10 mm

Wall distance: 150 mm

Backing: acoustic non-woven

Application: ceiling, wall

ISO 354 – reverberation chamber

αw

0.55

αp nach ISO 11654

125 Hz

0.15

250 Hz

0.50

500 Hz

0.85

1000 Hz

0.70

2000 Hz

0.55

4000 Hz

0.50

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Method (354): Measured