• Item Name: Araldite® DBF Resin / Aradur® HY 842 Hardener
• Manufacturer: Huntsman Advanced Materials
• Technologies: Low-viscosity, unfilled epoxy casting resin system with high filler loading capability
• Color: Clear liquid (resin and hardener); cured casting yellow-brown
• Cure Type: Room temperature (24–48 h) or accelerated (4 h RT + 4 h at 60°C)
• Package Size: Contact to Techniq VN for details.
• Shelf Life: Contact to Techniq VN for details.
Araldite® DBF with Aradur® HY 842 is a low-viscosity, unfilled epoxy casting resin system that cures at room temperature. It is designed for high filler loading capability and offers strong heat resistance along with stability against atmospheric and chemical degradation. The system is versatile and suitable for both small and medium-sized castings.
Encapsulation and potting of low-voltage electrical and electronic components
General casting applications
Vacuum casting processes where high filler content is required
| Property | Araldite® DBF (Resin, not mixed) | Aradur® HY 842 (Hardener, not mixed) | After Mixed & Cured |
|---|---|---|---|
| Appearance | Clear liquid | Clear liquid | Yellow-brown casting |
| Viscosity | 1350–2000 mPa·s (25°C) | 400–700 mPa·s (25°C) | ~1400 mPa·s (25°C) |
| Specific Gravity | 1.15 g/cm³ | 0.95 g/cm³ | 1.1 g/cm³ |
| Epoxy Content | 4.20–4.35 Eq/kg | — | — |
| Mix Ratio | — | — | 100:40 (by weight) / 100:48 (by volume) |
| Pot Life | — | — | ~129 min (25°C), ~83 min (40°C) |
| Gel Time | — | — | ~134 min (40°C), ~47 min (60°C) |
| Minimum Cure Cycle | — | — | 24–48 h at RT or 4 h RT + 4 h at 60°C |
| Glass Transition Temp | — | — | 37 °C |
| Mechanical Strength | — | — | Flexural: 19.5 MPa; Tensile: 17.6 MPa; Elongation: 31% |
| Hardness | — | — | Shore D 64 |
| Impact Strength | — | — | 44 kJ/m² |
| Electrical Properties | — | — | Dielectric Strength: 24 kV/mm; Volume Resistivity: 9×10¹³ Ω·cm; CTI > 600 |
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