Item Name: ARALDITE® AY 105 / HARDENER HY 951
Manufacturer: Huntsman
Technologies: Epoxy & Epoxy Derivatives
Color: Contact to Techniq VN for details.
Cure Type: Ambient and Heat (12 hrs at 40°C, 3 hrs at 60°C, 20 min at 100°C)
Package Size: Contact to Techniq VN for details.
Shelf Life: 3 years (Hardener), 5 years (Resin)
ARALDITE® AY 105 combined with HARDENER HY 951 is a medium-viscosity, solvent-free epoxy adhesive. It forms chemically resistant, electrically insulating bonds with excellent mechanical strength. The system is suitable for bonding metals, ceramics, glass, rubber, and plastics. Its versatility allows easy application via brush, roller, or spatula while providing strong, durable joints.
Compatible Substrates & Surfaces: Ceramic, Glass, Metal, Plastics
Application Methods: Brush, Roller, Spatula
Spread a thin layer on both surfaces, assemble promptly, and clamp lightly during curing.
Maximum joint assembly time: 1 hour.
Recommended for structural and insulating applications requiring medium-viscosity adhesives.
Before Mixing
| Property | Condition / Test Method | Value | Unit |
|---|---|---|---|
| Initial Viscosity | 77°F (25°C) | 1.5–3.0 | Pa·s |
| Physical Form | — | Liquid | — |
After Mixing / Cured
| Property | Condition / Test Method | Value | Unit |
|---|---|---|---|
| Shear Strength | -76°F (-60°C), 1 hr at 248°F (120°C) | 2102 | psi |
| Shear Strength | 68°F (20°C), 12 hrs at 104°F (40°C) | 2538 | psi |
| Shear Strength | 68°F (20°C), 20 min at 212°F (100°C) | 2828 | psi |
| Shear Strength | 194°F (90°C), 20 min at 212°F (100°C) | 1232 | psi |
| Shear Strength | 194°F (90°C), 1 hr at 248°F (120°C) | 1812 | psi |
| Deflection Temperature | BS 2782, Method 121A | 185–194+ | °F |
| Coefficient of Thermal Expansion | ASTM D-696-70 | 65–70 ×10⁻⁶ | in/in/°C |
| Modulus of Elasticity | BS 2782, Method 335A | 609.2 | ksi |
Curing Recommendations:
104°F (40°C) → 12 hrs
140°F (60°C) → 3 hrs
212°F (100°C) → 20 min
Storage: Epoxy resins: 41–77°F (5–25°C), shelf life 5 years; Hardeners HY 951: shelf life 3 years. Store sealed, dry, avoid moisture and direct sunlight.
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