TextileBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Dalenbäck, Datensatz der CATT-Software, November 2000. Data-Category in CATT: COTTON2, C: Curtains, D: Cotton
Curtains, cotton cloth (0.33 kg/m²) folded to 3/4 area
PTB reference data
Original description
Curtains, cotton cloth (0.33 kg/m²) folded to 3/4 area
Material properties
Surface weight: 0.33 kg/m²
Application: curtain
Mounting: folded to 3/4 area
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.32
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.25 | 0.15 | 0.55 | 0.55 | 0.40 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Method (354): Measured