TextileHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: M. Heckl, H.A. Müller: Taschenbuch der Technischen Akustik, Springer 1994
Satin curtain 82 Rayl, 20 cm from wall, 1.5x gathered
PTB reference data
Original description
Satin curtain 82 Rayl, 20 cm from wall, 1.5x gathered
Material properties
Wall distance: 200 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.74
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.55 | 1.05 | 0.90 | 0.95 | 0.90 |
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Method (354): Measured