Item Name: ARALDITE® AY 105 / HARDENER HY 956
Manufacturer: Huntsman
Technologies: Epoxy & Epoxy Derivatives
Color: Contact to Techniq VN for details.
Cure Type: Ambient and Heat (24 hrs at 25°C, 8 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 956 is a medium-viscosity, solvent-free epoxy adhesive. It delivers chemically resistant, electrically insulating bonds with excellent mechanical strength and good bond strength. The system cures at room temperature and is suitable for bonding metals, ceramics, glass, rubber, and plastics. Its versatility allows application by brush, roller, or spatula.
Compatible Substrates & Surfaces: Ceramic, Glass, Metal, Plastics
Application Methods: Brush, Roller, Spatula
Spread a thin layer on both surfaces and assemble immediately.
Maximum joint assembly time: 1 hour.
Recommended for structural and insulating applications requiring medium-viscosity adhesives with room temperature curing.
Before Mixing
| Property | Condition / Test Method | Value | Unit |
|---|---|---|---|
| Initial Viscosity | 77°F (25°C) | 0.8–1.5 | Pa·s |
| Physical Form | — | Liquid | — |
After Mixing / Cured
| Property | Condition / Test Method | Value | Unit |
|---|---|---|---|
| Shear Strength | -76°F (-60°C) | 1812 | psi (12.5 MPa) |
| Shear Strength | 68°F (20°C) | 2538 | psi (17.5 MPa) |
| Shear Strength | 12 hrs at 104°F (40°C) | 2828 | psi (19.5 MPa) |
| Shear Strength | 20 min at 212°F (100°C) | 406 | psi (2.8 MPa) |
| Shear Strength | 1 hr at 248°F (120°C) | 2828 | psi (19.5 MPa) |
| Deflection Temperature | — | 185–194+ | °F (85–90°C) |
| Coefficient of Thermal Expansion | ASTM D-696-70 | 65–70 ×10⁻⁶ | in/in/°C |
| Modulus of Elasticity | — | 435.1–478.6 | ksi (3.0–3.3 GPa) |
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: Epoxy resins: 41–77°F (5–25°C), shelf life 5 years; Hardener HY 956: shelf life 3 years. Store sealed, dry, avoid moisture and direct sunlight.
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