Description
QSil 216 is a transparent and colorless silicone formulation and is ideal for optical applications. The viscosity profile enables excellent flow around components and is excellent for potting complex parts. The chemical composition results in a cured product that is hydrolytically stable as well as reversion resistant. The silicone elastomer provides electrical insulation and physical shock resistance of components and enables environmental protection
| Packaging | Mix Ratio | Weight |
| Half Gallon Pail Kit | 4.4 lbs. | 10:1 |
| 5 Gallon Pail Kit | 44 lbs. | 10:1 |
| 55 Gallon Drum Kit | 440 lbs. | 10:1 |
KEY FEATURES
- Convenient 10:1 mixing ratio for use in automatic dispensing equipment or hand mixing
- Contains no solvents
- Non-yellowing catalyst system
- Chemical composition provides hydrolytic stability and reversion resistance
| Uncured Product | ||
| Property | Test Method | Value |
| Cure Profile | 30 mins at 150°C | |
| Cure Type | Addition | |
| Gel Time at 25°C/77°F | 6 hr | |
| Mix Ratio By Weight | 10:1 | |
| Rheology | Liquid, Newtonian | |
| Specific Gravity A | 1.02 | |
| Specific Gravity B | 1.01 | |
| Viscosity A | Brookfield | 4,000 cP |
| Viscosity B | Brookfield | 700 cP |
| Viscosity Mixed | Brookfield | 3,700 cP |
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| Cured Product | ||
| Property | Test Method | Value |
| Color | Transparent and Colorless | |
| Elongation at Break | ISO 37 | 100% |
| Hardness Shore A | ASTM D 2240-95 | 40 |
|
Linear Coefficient of Thermal Expansion (ppm/°C)
|
317 ppm/°C | |
| Linear Shrinkage (%) | ||
| Max Working Temp | 204 °C / 399 °F | |
| Min Working Temp | -55 °C / -67 °F | |
| Refractive Index | 1.405 | |
| Tensile Strength | ISO 37 | 5.17 N/mm2 / 750 psi |
| Thermal Conductivity | 0.18 W/mK | |
|
Transmittance at 400 nm, 1 mm path (%)
|
90.30% | |
| Electrical Properties | ||
| Property | Test Method | Value |
| Dielectric Constant | ASTM D-150 | 2.69 |
| Dielectric Strength (V/mil) | 500 V/mil | |
| Dissipation Factor | ASTM D-150 | 0.0006 |
| Volume Resistivity (Ohms cm) | ASTM D-257 | 1.7 E+15 ohms cm |
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