StoneLow absorption
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Dalenbäck, Datensatz der CATT-Software, November 2000. Data-Category in CATT: HARDSURF70, C: Walls, D: Hard
Walls, hard surfaces average (brick walls, plaster, hard floors etc.)
PTB reference data
Original description
Walls, hard surfaces average (brick walls, plaster, hard floors etc.)
Material properties
No further information available.
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.03
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.00 | 0.00 | 0.05 | 0.05 | 0.05 | 0.05 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured