Clinker concrete, no surface finish, 800 kg/m³

PTB reference data

Original description

Material properties

Density: 800 kg/m³

Surface: untreated

ISO 354 – reverberation chamber

αw

0.40

αp nach ISO 11654

125 Hz

0.05

250 Hz

0.05

500 Hz

0.15

1000 Hz

0.20

2000 Hz

0.15

4000 Hz

0.20

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Method (354): Measured