TextileHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968 a 5-6
Linen-textured fabric (rayon/linen/cotton), 17 Rayl, 300 mm air cavity
PTB reference data
Original description
Linen-textured fabric (rayon/linen/cotton), 17 Rayl, 300 mm air cavity
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
0.35
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.30 | 0.35 | 0.35 | 0.45 | 0.50 |
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Method (354): Measured