Item Name: Araldite® LY 8615 / Aradur® 8615
Manufacturer: Huntsman
Technologies: Epoxy resin and hardener system
Color: Amber
Cure Type: Heat-cured
Package Size: Contact to Techniq VN for details.
Shelf Life: Contact to Techniq VN for details.
1. Product Overview
Araldite® LY 8615, combined with Aradur® 8615, forms a high-performance epoxy resin system designed for demanding composite applications. This system is characterized by its low viscosity and exceptional thermal properties, making it particularly suitable for processes such as Resin Transfer Molding (RTM), Vacuum-Assisted Resin Transfer Molding (VARTM), and Seeman Composite Resin Infusion Molding Process (SCRIMP). Composites produced with this system can achieve a glass transition temperature exceeding 180°C following appropriate post-curing.
2. Applications
The Araldite® LY 8615 / Aradur® 8615 system is primarily used in:
Resin Transfer Molding (RTM)
Vacuum-Assisted Resin Transfer Molding (VARTM)
Seeman Composite Resin Infusion Molding Process (SCRIMP)
Wet Lay-Up
Filament Winding
Pultrusion
These applications are common in the production of high-performance composite parts requiring excellent thermal and mechanical properties.
3. Typical Properties
| Property | Value |
|---|---|
| Glass Transition Temperature (Tg) | 64 – 71°C (DSC); 184 – 190°C (DMA) |
| Tensile Strength | 40 – 45 MPa |
| Ultimate Elongation | 1.5 – 2.3% |
| Tensile Modulus | 2650 – 2850 MPa |
| Flexural Strength | 92 – 97 MPa |
| Flexural Modulus | 2650 – 2850 MPa |
| Fracture Toughness (K1C) | 0.57 – 0.72 MPa·m¹/₂ |
| Water Absorption (10 days at 23°C) | 0.50 – 0.60% |
| Viscosity at 25°C | 1300 – 1700 mPa·s |
| Density at 25°C | 1.16 – 1.20 g/cm³ |
| Pot Life at 23°C | 12 – 15 minutes |
| Cure Schedule | 90 min at 80°C + 1h at 150°C + 1h at 180°C |
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