Description
QSil 218 is a two-part, clear liquid silicone. It has a low viscosity which allows for ease of flow around complex parts, providing electrical insulation and shock resistance. The chemical composition provides hydrolytic and reversion resistance.
KEY FEATURES
Convenient 10:1 mixing ratio for use in automatic dispensing equipment or hand mixing
Contains no solvents
Non-yellowing catalyst system
| Uncatalyzed | |||||
| TEST | QSIL 218 A | QSIL 218 B | |||
| Appearance | Clear | Clear | |||
| Viscosity | 3,850 cps | 530 cps | |||
| Specific Gravity | 1.02 | 1.00 | |||
| Catalyzed | |
| MIX RATIO 10:1 by weight | |
| PROPERTY | RESULT |
| Catalyzed Color | clear, colorless |
| Consistency | Easily pourable |
| Gel time at 25ºC* | ~ 6 hours |
| … | |
| Cured Properties | |
| 60 minutes at 100°C/212ºF | |
| Durometer, Shore A | 59 |
| Tensile Strength | 968 psi |
| Elongation | 107 % |
| Linear shrinkage | < 0.1 %w |
| Refractive index | 1.406 |
| Cure Properties | |
| TEMPERATURE | TIME |
| 150ºC | 30 minutes |
| 100ºC | 60 minutes |
| 60ºC | 180 minutes |
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