• Item Name: EPIC S7478
• Manufacturer: Epic Resins
• Technologies: Two-component polyurethane potting compound
• Color: Part A – Black, Part B – Clear, Mixed – Black
• Cure Type: Heat cure (2–3 hours @ 65˚C)
• Package Size: Contact to Techniq VN for details.
• Shelf Life: 6 months
Epic S7478 is a two-component polyurethane potting compound designed for high-temperature and harsh-environment applications. It is UL94 V-0 flame-rated in thin sections without halogen flame retardants and offers mid-range Shore A hardness, excellent thermal conductivity, short gel time, and strong moisture resistance. The product ensures reliability in outdoor and demanding conditions, with UL RTI recognition up to 140 °C.
LED drivers requiring UL 8750 compliance
Electrical encapsulation
Signal and indicator devices
Signage systems
Automotive assemblies
Decorative LED lighting
| Property | Unit | Part A | Part B | Mixed |
|---|---|---|---|---|
| Color | – | Black | Clear | Black |
| Viscosity | cps @ 25 °C | 15,000–20,000 | 250–450 | 5,000–7,000 |
| Weight | lb/gal | 12.60–12.80 | 8.90–9.10 | 12.20–12.40 |
| Mix Ratio | – | – | – | 100:8.52 (by weight), 100:12 (by volume) |
| Gel Time | min @ 25 °C | – | – | 25–35 |
| Cure Schedule | – | – | – | 2–3 h @ 65 °C |
| Hardness | Shore A | – | – | 75–80 |
| Glass Transition (Tg) | °C | – | – | –5 to –10 |
| Thermal Conductivity | W/mK | – | – | 0.76–0.77 |
| Tensile Strength | PSI (25 °C) | – | – | 294–328 |
| Elongation | % (25 °C) | – | – | 44–58 |
| Dielectric Strength | Volts/mil | – | – | 440–460 |
| Volume Resistivity | ohm·cm | – | – | 1.5e+12 – 2.0e+12 |
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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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