TextileHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: J.Meyer, Kirchenakustik, Verlag E.Bochinsky
Curtain fabric, 25 cm from wall
PTB reference data
Original description
Curtain fabric, 25 cm from wall
Material properties
Wall distance: 25 cm
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.62
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.30 | 0.60 | 0.75 | 0.60 | 0.70 | 0.75 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured