Item Name: Araldite® LY 5052 / Aradur® 5052
Manufacturer: Huntsman Advanced Materials
Technologies: Low-viscosity epoxy resin with polyamine hardener (cold-curing system)
Color: Clear liquid (both resin and hardener)
Cure Type: Cold-curing with post-curing options (up to 120 °C)
Package Size: Contact to Techniq VN for details.
Shelf Life: 3 years
Araldite® LY 5052 (epoxy resin) combined with Aradur® 5052 (polyamine hardener) is a low-viscosity, cold-curing epoxy system.
Designed for aerospace and industrial composites.
Offers excellent impregnation, long pot life (up to 2 h / 100 ml at ambient), and high thermal resistance.
Provides outstanding mechanical and dynamic properties, both at ambient cure and after post-cure at elevated temperatures.
Qualified by Luftfahrtbundesamt (German Aircraft Authority) for glider production.
Aerospace composites and aircraft repair.
Industrial composites requiring durability and heat resistance.
Tooling and structural laminates.
Processing methods: Wet lay-up, Resin Transfer Moulding (RTM), Pressure Moulding, Filament Winding.
| Property | Araldite® LY 5052 (Resin) | Aradur® 5052 (Hardener) |
|---|---|---|
| Appearance | Clear liquid | Clear liquid |
| Color (Gardner) | ≤ 2 | ≤ 4 |
| Viscosity (25 °C) | 1000 – 1500 cps | 40 – 60 cps |
| Density (25 °C) | 1.17 g/cm³ | 0.94 g/cm³ |
| Flash Point | ≥ 140 °C | ≥ 110 °C |
| Parameter | Value |
|---|---|
| Mix Ratio (by weight) | 100 : 38 |
| Mix Ratio (by volume) | 100 : 47 |
| Initial Mix Viscosity | 1150 – 1350 cps @ 18 °C, 500 – 700 cps @ 25 °C, 200 – 250 cps @ 40 °C |
| Pot Life (100 ml, 65% RH) | 280 – 320 min @ 18 °C, 110 – 160 min @ 25 °C, 45 – 55 min @ 40 °C |
| Gelation at 23 °C (0.4–0.7 mm) | Start: 5 – 6.5 h, End: 7 – 8 h |
| Typical Cure Cycles | 1 d @ 23 °C + 15 h @ 50 °C OR 1 d @ 23 °C + 4 h @ 100 °C |
| Property | Ambient Cure | Post-Cure (Elevated Temp.) |
|---|---|---|
| Tg (DSC, max attainable) | ~60 °C | Up to ~130 °C (266 °F) |
| Tensile Strength | 7.1 – 10.3 ksi (RT) | 11.6 – 12.5 ksi (post-cure 122–176 °F) |
| Tensile Modulus | ~486 – 529 ksi | ~435 – 529 ksi |
| Flexural Strength | 18.9 – 20.3 ksi (122 °F cure) | 16.8 – 17.7 ksi (176 °F cure) |
| Flexural Modulus | 392 – 479 ksi | 392 – 435 ksi |
| Fracture Toughness (K1C) | – | 846 – 912 vin·lb/in² |
| Water Absorption (7d RT, 23 °C) | 0.45 – 0.50 % | Lower after post-cure |
| CTE (20–90 °C) | – | 39 ×10⁻⁶ /K |
| Poisson’s Ratio | – | 0.35 |
| Property | Unconditioned | After 30 d H₂O @ 23 °C |
|---|---|---|
| Flexural Strength | 63.8 – 71.1 ksi | 55.1 – 58.0 ksi |
| Flexural Modulus | 2900 – 3190 ksi | 2755 – 3045 ksi |
| Tensile Strength | 52.2 – 56.6 ksi | – |
| Tensile Modulus | 4800 – 5670 ksi | – |
| Interlaminar Shear Strength | ~8.2 – 9.4 ksi | Slightly reduced after hot water exposure |
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