Item Name: Elan-tron® MC 4539/W 4539 100:8
Manufacturer: ELANTAS Beck GmbH
Technologies: Two-component filled epoxy resin system, self-extinguishing, UL 94 V-0 rated, RoHS compliant
Color: Resin – Black, Hardener – Neutral
Cure Type: Room temperature or preheated 40–50°C; post-curing recommended for optimal properties
Package Size: Contact to Techniq VN for details
Shelf Life: 12 months
Elan-tron® MC 4539 / W 4539 is a two-component, filled epoxy potting system designed for encapsulation, sealing, and impregnation of electrical and electronic components. The compound is self-extinguishing, UL 94 V-0 certified (File E143115, E116643), and RoHS compliant. With high thermal conductivity, excellent dielectric strength, and robust mechanical performance, it offers protection under high thermal loads (thermal class H, 180°C). The resin–hardener system provides low shrinkage, reliable adhesion, and enhanced resistance to thermal and mechanical stress, making it highly effective for long-term electrical insulation and protection.
Encapsulation of electronic modules
Sealing and impregnation of electrical parts
Potting of components requiring flame resistance and thermal conductivity
Suitable for both manual and automatic vacuum casting processes
| Property | Resin | Hardener |
|---|---|---|
| Appearance | Black | Neutral |
| Viscosity at 25°C (mPa·s) | 15,000–25,000 | 10–20 |
| Viscosity at 40°C (mPa·s) | 6,000 | 3,000 |
| Viscosity at 60°C (mPa·s) | 2,800 | 1,600 |
| Density (g/ml, 25°C) | 1.79–1.83 | 0.96–1.00 |
| Gel Time (50°C, 15 ml/6 mm) | 20–30 min | — |
| Shelf Life | 12 months | 12 months |
| Mixing Ratio (by weight) | 100 | 8 |
| Property | Value |
|---|---|
| Initial Viscosity at 25°C | 40,000–50,000 mPa·s |
| Pot Life | 24 h at 25°C or 6 h at 50°C |
| Gel Time (25°C, 15 ml) | 6,000 mPa·s (approx.) |
| Demoulding Time | 10–12 h at 25°C |
| Suggested Curing | 24 h RT + 15 h at 60°C |
| Application | Manual/automatic casting, best under vacuum |
| Property | Value |
|---|---|
| Density (25°C) | 1.70–1.74 g/ml |
| Glass Transition Temperature | 50–60 °C |
| Hardness | 82–86 Shore D |
| Tensile Strength | 22–32 MPa |
| Elongation at Break | 1.2–1.8 % |
| Flexural Strength | 38–48 MPa |
| Flexural Modulus | 5,000–6,000 MPa |
| Strain at Break | 0.7–1.3 % |
| Thermal Conductivity | 0.85–0.95 W/m·K |
| Dielectric Strength | 20–22 kV/mm |
| Volume Resistivity | 1×10¹⁵ – 8×10¹⁵ Ω·cm |
| Dielectric Constant (25°C) | 3.4–4.5 |
| Loss Factor (25°C) | 0.05–0.06 |
| Tracking Index (CTI) | >600 |
| Flammability | UL 94 V-0 |
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