FabricHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data online at www.creationbaumann.com
Value from the PTB table, not verified
Création Baumann SERGEJ curtain fabric
SERGEJ
PTB reference data
Original description
Création Baumann SERGEJ curtain fabric
Material properties
Manufacturer: Création Baumann
Wall distance: 5.9 in
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 2 variants
NRC
0.95
Frequency values
αp per octave band
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.70 | 1.00 | 1.00 | 1.00 | 1.00 |
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| Compare | Value |
|---|---|
| NRC0.95 | |
| NRC0.65 |
NRC: 0.95 (derived from ISO 354 lab data)
Application: Akustik-Stoff
Distance: 5.9 in mittlerer wall standoff
Measured values as a table (2 measurements)
| Build-up | NRC | 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 % | 0.95 | 0.07 | 0.15 | 0.28 | 0.46 | 0.71 | 0.89 | 1.00 | 0.98 | 0.96 | 0.98 | 1.05 | 1.07 | 1.07 | 1.10 | 1.07 | 1.08 | 1.11 | 1.10 |
| 15 cm mittlerer wall standoff · Akustik-Stoff · flach | 0.65 | 0.02 | 0.08 | 0.13 | 0.22 | 0.39 | 0.60 | 0.75 | 0.76 | 0.75 | 0.73 | 0.74 | 0.78 | 0.77 | 0.76 | 0.79 | 0.80 | 0.82 | 0.85 |
Measured values as a table (2 measurements)
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