• Item Name: Araldite® DBF Resin / Aradur® HY 951 Hardener
• Manufacturer: Huntsman Advanced Materials
• Technologies: Low-viscosity, unfilled epoxy casting resin system with aliphatic amine hardener
• Color: Clear liquid (yellowish after cure)
• Cure Type: Room temperature or 4 h at RT + 4 h at 60°C
• Package Size: Contact to Techniq VN for details.
• Shelf Life: Contact to Techniq VN for details.
Araldite® DBF / Aradur® HY 951 is a low-viscosity, unfilled epoxy casting resin system that cures at room temperature and allows for high filler addition. The system combines Araldite DBF, a plasticized epoxy resin, with Aradur HY 951, a low-viscosity aliphatic amine hardener. It offers excellent mechanical strength, high chemical and atmospheric resistance, and outstanding electrical insulation performance.
Designed for encapsulation and potting of low-voltage and electronic components, this system is ideal for casting or vacuum casting processes. It provides durable protection and electrical insulation for components exposed to heat, moisture, and chemical environments.
| Property | Still Not Mixed (Resin / Hardener) | After Mixed (Cured System) |
|---|---|---|
| Viscosity at 25°C (mPa·s) | 1350–2000 / 10–20 | 850 |
| Specific Gravity (g/cm³) | 1.1–1.2 / 0.98 | 1.19 |
| Appearance | Clear liquid / Clear liquid | Yellowish casting |
| Mix Ratio (pbw) | Resin 100 / Hardener 10 | — |
| Pot Life at 25°C (min) | — | 93–135 |
| Gel Time at 25°C (min) | — | 160 |
| Curing Cycle | — | 24–48 h at RT or 4 h RT + 4 h at 60°C |
| Tensile Strength (MPa) | — | 52 |
| Elongation at Break (%) | — | 11 |
| Hardness (Shore D) | — | 85 |
| Glass Transition Temperature (°C) | — | 67 |
| Dielectric Strength (kV/mm) | — | 25 |
| Volume Resistivity (Ω·cm) | — | 7 × 10¹⁵ |
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