FabricBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data unter http://asonad.de, Feb. 2001
Value from the PTB table, not verified
SONAFLEX/SONAFLEX-GLASS sound-absorbing wall covering
SONAFLEX , SONAFLEX-GLASS
PTB reference data
Original description
SONAFLEX/SONAFLEX-GLASS sound-absorbing wall covering
Material properties
Manufacturer: Asona Deutschland GmbH
Thickness: 20 mm, 6 mm
Backing: open-cell foam backing
Surface: linen or glass fabric
Application: wall
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.55
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.25 | 0.60 | 0.90 | 1.00 | 0.85 |
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| Compare | Value | |
|---|---|---|
| 20 mm | αw0.55 | |
| 6 mm | αw0.25 |
Application: Aufkleben on Untergrund
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 | 6300 Hz | 8000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20 mm · Aufkleben on Untergrund · Leinen- bzw. Glasgewebe-Oberfläche | 0.55 | 0.05 | 0.10 | 0.13 | 0.17 | 0.21 | 0.32 | 0.45 | 0.60 | 0.70 | 0.83 | 0.93 | 0.97 | 0.98 | 1.03 | 0.99 | 0.88 | 0.85 | 0.87 | 0.73 | 0.80 |
| 6 mm · Aufkleben on Untergrund · Leinen- bzw. Glasgewebe-Oberfläche | 0.25 | 0.00 | 0.03 | 0.05 | 0.06 | 0.08 | 0.12 | 0.15 | 0.18 | 0.20 | 0.21 | 0.21 | 0.23 | 0.26 | 0.28 | 0.33 | 0.42 | 0.45 | 0.55 | 0.68 | 0.70 |
Measured values as a table (2 measurements)
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