StoneHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
Leca Sound Architettonico, concrete block with expanded clay
Sound Leca Architettonico
PTB reference data
Original description
Leca Sound Architettonico, concrete block with expanded clay
Material properties
Manufacturer: Associazione Nazionale Produttori Elementi Leca
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.61
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.50 | 0.45 | 0.55 | 0.65 | 0.75 | 0.70 |
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Method (354): Measured