LOCTITE ECCOBOND FP4460 is a high-purity, low-stress epoxy encapsulant designed for glob top applications. It provides excellent chemical and moisture resistance, high flow properties, and long work life, making it suitable for high-temperature applications up to 150°C.
| Property | Value |
|---|---|
| Uncured Properties | |
| Viscosity @ 25°C (Spindle 7, 4 rpm) | 425,000 mPa·s (cP) |
| Viscosity @ 25°C (Spindle 7, 10 rpm) | 300,000 mPa·s (cP) |
| Specific Gravity @ 25°C | 1.78 |
| Gel Time @ 121°C | 10 min |
| Pot Life @ 25°C | 2 days |
| Shelf Life @ -40°C | 9 months |
| Curing Conditions | |
| Recommended Cure | 3 hours @ 150°C |
| Cured Properties | |
| Coefficient of Thermal Expansion (CTE) below Tg | 20 ppm/°C |
| Glass Transition Temperature (Tg) | 173°C |
| Extractable Ionic Content: | |
| – Chloride (Cl⁻) | 13 ppm |
| – Sodium (Na⁺) | 11 ppm |
| – Potassium (K⁺) | 2 ppm |
| Linear Shrinkage | 0.135% |
| Glob Height (0.2g mass) | 1.8 mm |
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Techniq Vietnam provides end-to-end materials and process solutions, integrating world-class technologies in adhesives, soldering, and thermal management.
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