TextileHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968 a 5-1
Plush, chenille, cotton fabric, 0.417 kg/m², 45 Rayl, stretched flat
PTB reference data
Original description
Plush, chenille, cotton fabric, 0.417 kg/m², 45 Rayl, stretched flat
Material properties
Wall distance: 50 mm
Surface weight: 0.417 kg/m²
Flow resistance: 45 Rayl
Mounting: stretched flat
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.47
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.10 | 0.35 | 0.70 | 0.90 | 0.75 |
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Method (354): Measured