Plaster & sprayHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data unter http://asonad.de, March 2002
Value from the PTB table, not verified
Asona Sonaspray K-13 acoustic spray coating
Sonaspray K-13
PTB reference data
Original description
Asona Sonaspray K-13 acoustic spray coating
Material properties
Manufacturer: Asona Deutschland GmbH
Thickness: 16 mm, 19 mm, 25 mm, 32 mm, 38 mm, 44 mm, 50 mm, 57 mm, 63 mm, 70 mm, 76 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 11 variants
αw
1.00
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.75 | 1.00 | 1.00 | 0.95 | 0.95 |
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| Compare | Value | |
|---|---|---|
| 57 mm | αw1.00 | |
| 63 mm | αw1.00 | |
| 50 mm | αw0.95 | |
| 70 mm | αw0.95 | |
| 44 mm | αw0.90 | |
| 76 mm | αw0.90 | |
| 38 mm | αw0.80 | |
| 32 mm | αw0.70 | |
| 25 mm | αw0.60 | |
| 19 mm | αw0.50 | |
| 16 mm | αw0.45 |
Measured values as a table (11 measurements)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 16 mm | 0.45 | 0.05 | 0.16 | 0.44 | 0.79 | 0.90 | 0.91 |
| 19 mm | 0.50 | 0.06 | 0.19 | 0.55 | 0.89 | 0.91 | 0.93 |
| 25 mm | 0.60 | 0.08 | 0.29 | 0.75 | 0.98 | 0.93 | 0.96 |
| 32 mm | 0.70 | 0.12 | 0.40 | 0.85 | 1.02 | 0.96 | 0.96 |
| 38 mm | 0.80 | 0.18 | 0.50 | 0.95 | 1.06 | 1.00 | 0.97 |
| 44 mm | 0.90 | 0.19 | 0.60 | 1.05 | 1.11 | 1.03 | 0.98 |
| 50 mm | 0.95 | 0.29 | 0.67 | 1.04 | 1.06 | 1.00 | 0.97 |
| 57 mm | 1.00 | 0.39 | 0.74 | 1.03 | 1.02 | 0.96 | 0.95 |
| 63 mm | 1.00 | 0.50 | 0.81 | 1.02 | 0.98 | 0.92 | 0.93 |
| 70 mm | 0.95 | 0.60 | 0.88 | 1.01 | 0.90 | 0.88 | 0.92 |
| 76 mm | 0.90 | 0.70 | 0.95 | 1.00 | 0.85 | 0.85 | 0.90 |
Measured values as a table (11 measurements)
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