TextileHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968 a 5-5
Folded linen-textured fabric (rayon, linen, cotton)
PTB reference data
Original description
Folded linen-textured fabric (rayon, linen, cotton)
Material properties
Wall distance: 50 mm
Surface weight: 0.167 kg/m²
Flow resistance: 17 Rayl
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.80
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.40 | 0.80 | 1.10 | 1.15 | 1.10 |
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Method (354): Measured