Technology: A high-performance encapsulating epoxy system designed for filled casting applications that cures at room temperature.
Product code: Huntsman Araldite® CW 1302 / Aradur® HY 1300
Manufacturer: Huntsman
Size: Supplied in bulk packaging (e.g., drums and pails).
Shelf life: 1 year.
1. Product Overview
Araldite® CW 1302 and Aradur® HY 1300 form an optimally filled casting system designed for processing and curing at room temperature or slightly higher temperatures. This system is particularly suitable for applications requiring good thermal conductivity, low water absorption, excellent thermal endurance, and compliance with flammability and railway safety standards.
2. Applications
3. Typical Properties
| Property | Standard | Unit | Araldite CW 1302 | Araldite CW 1302 Blue | Aradur HY 1300 |
|---|---|---|---|---|---|
| Viscosity at 25°C | ISO 3219 / 2555 | Pa*s | 20.0 – 27.0 | 25 – 65 | 150 – 190 |
| Specific Gravity at 25°C | ISO 2811 | g/cm³ | 1.76 | 1.76 | 0.990 – 1.005 |
| Appearance | Visual | Beige-grey, viscous liquid | Blue, viscous liquid | Clear, yellowish liquid |
4. Typical Properties After Mixing
| Property | Standard | Unit | Value |
| Mix Ratio (by weight) | – | – | 100:11 |
| Mix Ratio (by volume) | – | – | 100:19 |
| Mix Viscosity at 40°C | Rheomat | mPa*s | 3500 |
| Gel Time at 25°C | Gelnorm | min | 80 |
| Gel Time at 40°C | ISO 9396 | min | 50 – 75 |
| Gel Time at 60°C | ISO 9396 | min | 25 – 35 |
| Pot Life at 40°C | Rheomat | min | 37 |
| Standard Cure Cycle | – | – | 24h at RT + 6h at 60°C |
| Minimum Curing Cycle | – | – | 48h at 25°C |
| Glass Transition Temperature | ISO 6721 | °C | 75 |
| Tensile Modulus | ISO 527 | MPa | 7700 |
| Tensile Strength | ISO 527 | MPa | 35 |
| Elongation at Break | ISO 527 | % | 0.7 |
| Flexural Modulus | ISO 178 | MPa | 8500 |
| Flexural Strength | ISO 178 | MPa | 65 |
| Thermal Conductivity | ISO 8894-1 | W/mK | 0.88 |
| Hardness | DIN 53505 | Shore D | 88 |
| Flammability | UL 94 | – | V-0 (3.0 mm) / HB (1.5 mm) |
| Dielectric Strength (2 mm) | IEC 60243-1 | kV/mm | 27 |
| Volume Resistivity | IEC 60093 | Ω cm | 10¹⁴ |
| Water Absorption (1 day at 23°C) | ISO 62 | % by wt. | 0.04 |
| Water Absorption (30 min at 100°C) | ISO 62 | % by wt. | 0.22 |
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