StoneHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
Sound Leca Super expanded clay cavity resonator
Cavity resonator – Sound Leca Super
PTB reference data
Original description
Sound Leca Super expanded clay cavity resonator
Material properties
Manufacturer: Associazione Nazionale Produttori Elementi Leca
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.79
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.55 | 0.95 | 0.75 | 0.75 | 0.80 | 0.75 |
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Method (354): Measured