OtherHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Dalenbäck, Datensatz der CATT-Software, November 2000. Ursprüngliche Quelle: None Data-Category in CATT: SAMPLEDIFFUSOR, C: Walls, D: Just
Walls, just a sample
PTB reference data
Original description
Walls, just a sample
Material properties
Application: wall
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.25
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.20 | 0.25 | 0.30 | 0.35 | 0.35 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured