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SONEX® Mini Panels, Technical Specifications
Physical Data — willtec®
| Material |
Open-cell melamine-based foam |
| Density |
0.5 to 0.7 lbs./cubic ft. (ASTM D3574-77) |
| Long-Term Service Temperature |
302 degrees F |
| Fire Resistance |
Class 1 per ASTM E 84 (all finishes) Meets UL 1715 (willtec natural) |
| Flame Spread per ASTM E 84 |
Natural: 5 Painted: 10 |
| Smoke Density per ASTM E 84 |
Natural: 50 Painted: 10 |
| Microbial Growth |
Passes UL 181, section 11 |
| Fungus Resistance |
Rating 0 per ASTM G21 |
| Finishes |
Natural White or Grey, painted |
Sound Absorption
| Finish |
Thickness |
Coefficients per ASTM C423-90a
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| |
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125Hz
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250Hz
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500Hz
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1kHz
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2kHz
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4kHz
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NRC
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Mounting Type
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| Natural White or Grey |
1" 1-1/2" |
0.11 0.14 |
0.17 0.21 |
0.4 0.61 |
0.72 0.8 |
0.79 0.89 |
0.91 0.92 |
0.5 0.65 |
A A |
Painted (Charcoal, Beige, Brown, Blue, Light-Grey) |
1" 1-1/2" |
0.08 0.04 |
0.27 0.20 |
0.72 0.53 |
0.96 0.94 |
0.96 1.11 |
0.94 1.17 |
0.75 0.7 |
A A |
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To find out more about SONEX Mini Panels, explore the "Related Links" and "Ralated Downloads" area, located on the right side of this page.
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