StoneHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Dalenbäck, Datensatz der CATT-Software, November 2000. Data-Category in CATT: BRICK_WALL7, C: Walls, D: Raised
Walls, raised bricks with 19 holes directly on stone wall
PTB reference data
Original description
Walls, raised bricks with 19 holes directly on stone wall
Material properties
Wall distance: 0 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.48
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.30 | 0.45 | 0.90 | 0.45 | 0.65 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured