LOCTITE ECCOBOND FP4323 is a black epoxy-based encapsulant designed for glob top applications. It offers:
| Properties | Part A | Part B | Mixed |
|---|---|---|---|
| Appearance | Black | Beige | Black |
| Viscosity (25°C, mPa·s) | 172,500 (2 rpm) / 115,000 (20 rpm) | 250,000 (2 rpm) / 72,500 (20 rpm) | 220,000 (2 rpm) / 100,000 (20 rpm) |
| Specific Gravity | 1.7 | 1.7 | 1.67 |
| Shelf Life | 12 months (@ 25°C) | 12 months (@ 25°C) | 9 months (@ -40°C) |
| Pot Life (@ 25°C) | – | – | 2 days |
| Work Life (@ 25°C) | – | – | 48 hours |
| Gel Time (@ 121°C) | – | – | 11 minutes |
| Cure Schedule | Conditions |
|---|---|
| Standard Cure | 4 hours @ 150°C or 1 hour @ 170°C |
| Alternative Cure | 2 hours @ 125°C + 4 hours @ 150°C |
| Recommended Preheat | 90°C for best adhesion |
| Property | Value | Test Method |
|---|---|---|
| Glass Transition Temperature (Tg) | 174°C | TMA |
| CTE (ppm/°C, <Tg) | 28 | ASTM D-3386 |
| Thermal Conductivity (W/m-K) | 0.63 | – |
| Shore Hardness (D) | 97 | ISO 868 |
| Water Absorption (8h @ 100°C, %) | 0.25 | ISO 62 |
| Dielectric Constant (1 kHz / 100 MHz / 1 GHz) | 3.7 / 3.59 / 3.44 | IEC 60250 |
| Volume Resistivity (Ω·cm) | 6.2×10¹⁴ | IEC 60093 |
| Surface Resistivity (Ω) | 1.6×10¹⁴ | IEC 60093 |
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Techniq Vietnam provides end-to-end materials and process solutions, integrating world-class technologies in adhesives, soldering, and thermal management.
Through partnerships with leading global brands, we deliver high-value materials, expert consulting, and optimized supply chains ensuring timely delivery, efficiency, and sustainable growth for our clients.
At Techniq, our mission is to connect cutting-edge materials, processes, and equipment with customer needs, enabling efficiency, reliability, and long-term value creation.
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