• Item Name: EPIC S7253 Series
• Manufacturer: Epic Resins
• Technologies: Two-component polyurethane potting compounds
• Color: Tan, Black, Off-White, Blue, Gray, Dark Blue, White (depending on grade)
• Cure Type: Room temperature cure (48–54 hours @ 25˚C) or heat cure (2–2.5 hours @ 65˚C)
• Package Size: Contact to Techniq VN for details.
• Shelf Life: 9 months
The S7253 Series is a versatile polyurethane potting and encapsulation compound designed for sensitive electronics in harsh environments. It provides excellent adhesion to metals and plastics, outstanding moisture resistance, and reliable electrical insulation. With low viscosity for superior flow, good thermal conductivity, and UL 94 V-0 flammability recognition, it ensures long-term performance and cost efficiency. The series offers multiple versions differing in viscosity, gel time, pot life, and color, while maintaining consistent cured properties.
LED outdoor displays
Universal readers for security systems
Automotive sensors and modules
Pool and spa electronics
Energy storage devices
Control module potting
General electronic potting in harsh environments
| Property | Unit | Value / Range |
|---|---|---|
| Mix Ratio (by weight / volume) | – | 100:18.2 / 100:21.4–21.6 |
| Viscosity @ 25 °C (Mixed) | CPS | 1,600 – 2,500 |
| Weight per Gallon (Mixed) | lb/gal | 11.5 – 11.8 |
| Gel Time @ 25 °C (100 g) | Minutes | 2 – 90 (varies by grade) |
| Pot Life @ 25 °C (100 g) | Minutes | 1 – 50 (varies by grade) |
| Cure Schedule | Hours | 48–54 h @ 25 °C or 2–2.5 h @ 65 °C |
| Operating Temperature (continuous) | ˚C | Up to 125 |
| Glass Transition (Tg) | ˚C | -2 to 2 |
| Hardness (Shore A, ASTM D2240) | – | 82 – 96 |
| Tensile Strength (ASTM D638/D412) | PSI | 781 – 5953 (temp dependent) |
| Elongation | % | 2.5 – 160 (temp dependent) |
| Thermal Conductivity | W/mK | 0.55 – 0.6 |
| Coefficient of Thermal Expansion | in/in ˚C | 79.5 – 87 (×10⁻⁶) |
| Dielectric Constant (100 kHz) | – | 3.71 – 4.1 |
| Dielectric Strength (0.25″) | V/mil | 335 – 365 |
| Volume Resistivity | ohm·cm | 4.4e13 – 4.8e13 |
| Flammability | – | UL 94 V-0 (most grades) |
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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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