TextileHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968 a 5-4
Linen texture fabric, stretched smooth
PTB reference data
Original description
Linen texture fabric, stretched smooth
Material properties
Wall distance: 50 mm
Surface weight: 0.167 kg/m²
Flow resistance: 0.017 kPa·s/m²
Mounting: stretched smooth
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.28
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.00 | 0.05 | 0.20 | 0.45 | 0.55 | 0.45 |
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Method (354): Measured