• Item Name: Araldite® LY 3569 / Aradur® 1571 / Accelerator
• Manufacturer: Huntsman Advanced Materials
• Technologies: Low-viscosity epoxy resin with anhydride hardener and accelerator for vacuum infusion of large parts
• Color: Contact to Techniq VN for details.
• Cure Type: Thermoset curing at elevated temperature with extended processing window
• Package Size: Contact to Techniq VN for details.
• Shelf Life: Contact to Techniq VN for details.
1. Product Overview
Araldite® LY 3569 is a high-reactivity, clear liquid epoxy resin developed by Huntsman Advanced Materials. When combined with Aradur® 1571 hardener and Accelerator 1573, it forms a fast-curing B-stage system designed for Sheet Molding Compound (SMC) applications. This system is particularly suitable for the automotive industry, offering rapid processing times and high mechanical performance.
2. Applications
The Araldite® LY 3569 / Aradur® 1571 / Accelerator 1573 system is primarily used in:
Production of SMC for automotive parts.
Applications requiring fast curing and high mechanical performance.
Processes such as compression molding and injection molding.
3. Typical Properties
The following table summarizes the typical properties of the Araldite® LY 3569 / Aradur® 1571 / Accelerator 1573 system:
| Property | Value |
|---|---|
| Chemical Family | Epoxy & Epoxy Derivatives |
| Viscosity at 25°C (Araldite® LY 3569) | 6,500 – 9,000 mPa·s (ISO 12058-1) |
| Density at 25°C (Araldite® LY 3569) | 1.15 g/cm³ (ISO 1675) |
| Mix Ratio (Araldite® LY 3569 : Aradur® 1571 : Accelerator 1573) | 100 : 23 : 3 by weight |
| Cure Time | 3 min at 150°C |
| Glass Transition Temperature (Tg) | 130 – 140°C (DMA, 5 K/min) |
| Flexural Strength | 115 – 125 MPa (ISO 178) |
| Flexural Modulus | 2,700 – 2,800 MPa (ISO 178) |
| Ultimate Elongation | 7.5 – 8.5% (ISO 178) |
| Interlaminar Shear Strength | 51 – 55 MPa (ASTM D 2344) |
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