Folded linen-textured fabric (rayon, linen, cotton)

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

0.80

αp nach ISO 11654

125 Hz

0.10

250 Hz

0.40

500 Hz

0.80

1000 Hz

1.10

2000 Hz

1.15

4000 Hz

1.10

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Method (354): Measured