Item Name: ARALDITE® AY 103 / HARDENER HY 956
Manufacturer: Huntsman
Technologies: Epoxy & Epoxy Derivatives
Color: Contact to Techniq VN for details.
Cure Type: Heat or Ambient Temperature (24 hrs at 25°C, 3 hrs at 60°C, 20 min at 100°C)
Package Size: Contact to Techniq VN for details.
Shelf Life: 3 years
ARALDITE® AY 103 combined with HARDENER HY 956 is a two-component, medium-viscosity epoxy adhesive. It is solvent-free, chemically resistant, electrically insulating, and delivers excellent mechanical strength. The system is suitable for forming durable bonds on a variety of substrates including metals, ceramics, glass, plastics, and rubber. Its medium viscosity ensures easy application while maintaining strong adhesion.
Insulation Materials
Compatible Substrates & Surfaces: Ceramic, Glass, Metal, Plastics, Rubber
Can be applied manually or robotically to pre-treated, dry surfaces.
Recommended adhesive layer: 0.05–0.10 mm for optimal lap shear strength.
Joint components should be assembled immediately after adhesive application.
Before Mixing
| Property | Condition / Test Method | Value | Unit |
|---|---|---|---|
| Physical Form | — | Liquid | — |
| Initial Viscosity | 77°F (25°C) | 0.8–1.5 | Pa·s |
After Mixing / Cured
| Property | Condition / Test Method | Value | Unit |
|---|---|---|---|
| Shear Strength | -76°F (-60°C), 1 hr at 248°F (120°C) | 1812 | psi |
| Shear Strength | 68°F (20°C), 24 hrs at 68°F (20°C) | 2538 | psi |
| Shear Strength | 68°F (20°C), 12 hrs at 104°F (40°C) | 2828 | psi |
| Shear Strength | 20 min at 212°F (100°C) | 290 | psi |
| Shear Strength | 194°F (90°C) | 406 | psi |
| Shear Strength | 1 hr at 248°F (120°C) | 2538 | psi |
| Deflection Temperature | BS 2782, Method 121A | 113–140 | °F |
| Coefficient of Thermal Expansion | ASTM D-696-70 | 95–100 ×10⁻⁶ | in/in/°C |
| Modulus of Elasticity | BS 2782, Method 335A | 435.1–478.6 | ksi |
Curing Recommendations:
77°F (25°C) → 24 hrs
104°F (40°C) → 8 hrs
140°F (60°C) → 3 hrs
212°F (100°C) → 20 min
Storage: Store sealed, dry, +2°C to +40°C; shelf life 3 years.
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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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