expanded polyurethane PAE 20 mm + PU

PTB reference data

Original description

Material properties

Thickness: 20 mm

ISO 354 – reverberation chamber

αw

0.54

αp nach ISO 11654

125 Hz

0.10

250 Hz

0.15

500 Hz

0.45

1000 Hz

0.65

2000 Hz

0.90

4000 Hz

0.95

Create a permanent free account — Access frequency bands, variants and export.

Free. No password required.

Method (354): Measured