TextileHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Dalenbäck, Datensatz der CATT-Software, November 2000. Data-Category in CATT: CURTAIN1, C: Curtains, D: Densly
Curtains, densely woven window curtains 90 mm from wall
PTB reference data
Original description
Curtains, densely woven window curtains 90 mm from wall
Material properties
No further information available.
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.43
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.10 | 0.40 | 0.65 | 0.70 | 0.75 |
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Method (354): Measured