Description
QSil 556 is a 100% silicone solids elastomer designed for electrical potting applications. The two-component system offers a hard, thermally conductive, low modulus material that is readily repairable.
KEY FEATURES:
• 100% solids
• Long gel time
• Good elongation
• Low modulus
• UL 94 V-0 listed, control number: QMFZ2.E20583
| Uncatalyzed | |||||
| PROPERTY | QSil 556 A | QSil 556 B | |||
| Appearance | Beige | Black | |||
| Viscosity | 1,050 cps | 2,200 cps | |||
| Specific Gravity | 1.31 | 1.30 | |||
| Catalyzed | |
| MIX RATIO 1:1 by weight | |
| PROPERTY | RESULT |
| Gel Time * | 72 minutes |
| Cured Properties | |
| 15 minutes at 150°C | |
| PROPERTY | RESULT |
| Durometer, Shore A | 50 |
| Tensile Strength | 250 psi |
| Elongation | 90% |
| Useful temperature range | -55°C – 204°C |
| ELECTRICAL PROPERTIES | |
| PROPERTY | RESULT |
| Dissipation Factor | 0.002 |
| Dielectric constant @ 1000Hz | 3.36 |
| Volume resistivity | 1.87 X 10 ohm-cm |
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