FabricHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerkatalog
Value from the PTB table, not verified
Création Baumann RIALTO curtain fabric
RIALTO
PTB reference data
Original description
Création Baumann RIALTO curtain fabric
Material properties
Manufacturer: Création Baumann
Wall distance: 15 cm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.65
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.40 | 0.65 | 0.70 | 0.75 | 0.75 |
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| Compare | Value |
|---|---|
| αw0.65 | |
| αw0.50 |
Application: Akustik-Stoff
Distance: 15 cm mittlerer wall standoff
Measured values as a table (2 measurements)
| Build-up | αw | 100 Hz | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz | 5000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 cm mittlerer wall standoff · Akustik-Stoff · Faltung 100 % | 0.65 | 0.09 | 0.14 | 0.24 | 0.29 | 0.43 | 0.50 | 0.62 | 0.65 | 0.68 | 0.68 | 0.70 | 0.74 | 0.75 | 0.72 | 0.75 | 0.72 | 0.77 | 0.80 |
| 15 cm mittlerer wall standoff · Akustik-Stoff · flach | 0.50 | 0.02 | 0.07 | 0.11 | 0.15 | 0.25 | 0.36 | 0.47 | 0.56 | 0.63 | 0.58 | 0.51 | 0.46 | 0.50 | 0.51 | 0.52 | 0.54 | 0.54 | 0.57 |
Measured values as a table (2 measurements)
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