Linen-textured fabric (rayon/linen/cotton), 17 Rayl, 300 mm air cavity

PTB reference data

Original description

Material properties

Wall distance: 50 mm

Surface weight: 0.167 kg/m²

Flow resistance: 17 Rayl

ISO 354 – reverberation chamber

αw

0.35

αp nach ISO 11654

125 Hz

0.05

250 Hz

0.30

500 Hz

0.35

1000 Hz

0.35

2000 Hz

0.45

4000 Hz

0.50

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Method (354): Measured