TextileHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Dalenbäck, Datensatz der CATT-Software, November 2000. Ursprüngliche Quelle: Fasold / Winkler Raumakustik, Diff. geschätzt, Ergänzung PTB. Data-Category in CATT: VORHANG_OFFEN, C: Walls, D: Baumwollplüsch
Cotton plush "Malta", folded and gathered
PTB reference data
Original description
Cotton plush "Malta", folded and gathered
Material properties
Wall distance: 220 mm
Application: wall
Mounting: hanging folded, triple-gathered
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.75
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.55 | 0.90 | 1.00 | 1.00 | 1.00 |
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Method (354): Measured