Item Name: Elan-tron® MC 41 + WH 441 100:100
Manufacturer: ELANTAS Beck India Ltd.
Technologies: Two-component filled epoxy system, self-extinguishing, halogen-, phosphorus- and antimony-free, excellent electrical and thermal properties
Color: Resin – Black, Hardener – Off-white
Cure Type: Elevated temperature cure; recommended 4 h at 80°C + 4 h at 140°C
Package Size: 25 kg (both resin and hardener)
Shelf Life: Resin 12 months, Hardener 6 months
Elan-tron® MC 41 + WH 441 is a two-component, filled, flame-retardant epoxy system designed for high-temperature encapsulation of semiconductors and components. It is halogen-, phosphorus-, and antimony-free, with UL 94 V-0 self-extinguishing behavior, strong mechanical strength, and excellent dielectric insulation. The system supports continuous operation at 150–160 °C, with peak resistance up to 180 °C, making it suitable for demanding environments where thermal endurance and flame resistance are critical.
Encapsulation of semiconductors and electronic modules
Electrical components exposed to elevated operating temperatures
Potting of devices requiring flame retardancy and high glass transition stability
Manual or vacuum casting (automatic mixing/dispensing possible)
| Property | Resin (MC 41) | Hardener (WH 441) |
|---|---|---|
| Appearance | Black, filled liquid | Off-white, filled liquid |
| Viscosity at 25 °C | 50,000–70,000 mPa·s | 14,000–20,000 mPa·s |
| Density at 25 °C | 1.69–1.73 g/ml | 1.77–1.81 g/ml |
| Shelf Life | 6 months | 6 months |
| Property | Value |
|---|---|
| Mixing Ratio (by weight) | 100:100 |
| Initial Viscosity (25 °C) | 43,000–63,000 mPa·s |
| Initial Viscosity (60 °C) | 5,500–8,500 mPa·s |
| Pot Life at 25 °C | >7 h |
| Pot Life at 80 °C | 70–80 min |
| Recommended Cure | 4 h at 80 °C + 4 h at 140 °C |
| Processing | Manual or vacuum casting, hot curing |
| Property | Value |
|---|---|
| Density (25 °C) | 1.73–1.77 g/ml |
| Flexural Strength | 50–60 MPa |
| Flexural Modulus | 7,500–8,000 MPa |
| Tensile Strength | 27–33 MPa |
| Elongation at Break | 0.5–1.0 % |
| Strain at Break | 0.8–1.3 % |
| Hardness | 89–93 Shore D |
| Glass Transition (Tg) | 160–165 °C |
| Thermal Conductivity | 0.83–0.93 W/m·K |
| Water Absorption (24 h at RT) | 0.01–0.04 % |
| Water Absorption (2 h at 100 °C) | 0.15–0.20 % |
| Linear Thermal Expansion (below Tg) | 20–25 ×10⁻⁶/°C |
| Linear Thermal Expansion (above Tg) | 85–105 ×10⁻⁶/°C |
| Flammability | UL 94 V-0 (6.4 mm) |
| Property | Value |
|---|---|
| Dielectric Strength (2 mm specimen) | 20–22 kV/mm |
| Volume Resistivity | 3–5 ×10¹⁵ Ω·cm |
| Dielectric Constant (25 °C) | 2.8–3.1 |
| Dielectric Constant (140 °C) | 3.2–3.5 |
| Dielectric Loss Factor (25 °C) | 3–5 ×10⁻³ |
| Dielectric Loss Factor (140 °C) | 16–21 ×10⁻³ |
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