OtherHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: RAMSETE
expanded clay blocks
PTB reference data
Original description
expanded clay blocks
Material properties
No further information available.
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.28
Frequency values
αp nach ISO 11654
| f (Hz) | 63 | 125 | 250 | 500 | 1k | 2k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.15 | 0.15 | 0.25 | 0.30 | 0.35 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured