pinta acoustic Waffel willtec melamine foam

Waffel willtec – 35/35

PTB reference data

Original description

Material properties

Manufacturer: pinta acoustic gmbh

Thickness: 35/35 mm

Wall distance: 0 mm

ISO 354 – reverberation chamber

αw

0.55

αp nach ISO 11654

125 Hz

0.15

250 Hz

0.20

500 Hz

0.50

1000 Hz

0.75

2000 Hz

0.85

4000 Hz

0.85

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Method (354): Measured