Item Name: Araldite® LY 8615 / Aradur® 8615 / Hardener XB 5173
Manufacturer: Huntsman Advanced Materials
Technologies: High-temperature epoxy resin system
Color: Resin – Brown liquid; Aradur® 8615 – Clear liquid; Hardener XB 5173 – Pale yellow clear liquid
Cure Type: Ambient and heat cure with postcure up to 180 °C
Package Size: Contact to Techniq VN for details.
Shelf Life: Contact to Techniq VN for details.
Araldite® LY 8615 (epoxy resin) combined with Aradur® 8615 or Hardener XB 5173 (amine hardeners) forms a high-temperature epoxy system.
Two-component, low-viscosity system.
Suitable for vacuum-assisted resin transfer molding (RTM, SCRIMP, VARTM).
Can achieve glass transition temperatures >180°C with appropriate post-curing.
Offers long pot life and excellent performance in industrial composites.
Advanced industrial composite parts
High-performance moulds
Suitable for vacuum-assisted resin transfer molding (RTM, SCRIMP, VARTM)
| Component | Appearance | Viscosity (25°C, mPa·s) | Density (g/cm³) | Flash Point (°C) | Amine Value (Eq/kg) |
|---|---|---|---|---|---|
| Araldite® LY 8615 | Brown liquid | 1300 – 1700 | 1.16 – 1.20 | >100 | — |
| Aradur® 8615 | Clear liquid | 70 – 120 | 0.93 – 0.95 | 139 – 142 | 8.30 – 8.50 |
| Hardener XB 5173 | Pale yellow, clear liquid | 10 – 40 | 0.91 – 0.93 | 108 – 112 | 10.70 – 11.0 |
Mix Ratios
| Resin : Hardener | By Weight | By Volume |
|---|---|---|
| LY 8615 : Aradur® 8615 | 100 : 50 | 100 : 65 |
| LY 8615 : XB 5173 | 100 : 38 | 100 : 50 |
Processing Data
| Property | LY 8615 + Aradur® 8615 | LY 8615 + XB 5173 |
|---|---|---|
| Initial viscosity at 25°C | 480 – 580 mPa·s | 270 – 370 mPa·s |
| Pot life at 23°C | 850 – 980 min | 300 – 400 min |
| Gel time at 120°C | 7 – 11 min | 2 – 6 min |
| Property | LY 8615 + Aradur® 8615 | LY 8615 + XB 5173 |
|---|---|---|
| Tg (DSC, after 180°C postcure) | 210 – 220 °C | 203 – 210 °C |
| Tensile strength (ISO 527) | 39 – 45 MPa | 33 – 45 MPa |
| Tensile modulus | 2650 – 3200 MPa | 2880 – 3200 MPa |
| Elongation at break | 1.0 – 2.3 % | 1.0 – 2.2 % |
| Flexural strength (ISO 178) | 82 – 97 MPa | 113 – 125 MPa |
| Flexural modulus | 2650 – 3280 MPa | 2850 – 3280 MPa |
| Fracture toughness K1C | 0.57 – 0.84 MPa√m | 0.54 – 0.84 MPa√m |
| Water absorption (10 days, 23°C) | 0.50 – 0.65 % | 0.53 – 0.65 % |
| Property | LY 8615 + Aradur® 8615 | LY 8615 + XB 5173 |
|---|---|---|
| Interlaminar shear strength | 72 – 77 MPa | 76 – 81 MPa |
| Flexural strength | 1260 – 1460 MPa | 1170 – 1470 MPa |
| Flexural modulus | 113,500 – 133,000 MPa | 114,000 – 134,000 MPa |
| Tensile strength | 1360 – 1560 MPa | 1520 – 1720 MPa |
| Tensile modulus | 120,500 – 140,000 MPa | 129,000 – 149,000 MPa |
| Ultimate elongation | 0.9 – 1.2 % | 0.84 – 1.1 % |
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