StoneLow absorption
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: RAMSETE
Perforated brick 8x24x12 cm with 6 holes, open area = 60% + whitewash
PTB reference data
Original description
Perforated brick 8x24x12 cm with 6 holes, open area = 60% + whitewash
Material properties
Dimensions: 80 x 240 x 120 mm
Perforation: 60%
Surface: whitewashed
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.03
Frequency values
αp nach ISO 11654
| f (Hz) | 63 | 125 | 250 | 500 | 1k | 2k |
|---|---|---|---|---|---|---|
| αp | 0.00 | 0.00 | 0.00 | 0.05 | 0.05 | 0.05 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured