Technology: Epoxy casting system designed for small transformers and suppressor chokes.
Product code: Huntsman Araldite® CY 2243-2 L / Aradur® HY 842
Manufacturer: Huntsman
Package Size: Available in 25 kg pail packaging.
Shelf life: To know more, contact Avantek.
Araldite® CW 2243-2 L and Aradur® HY 842 based on the provided technical data sheet:
Araldite® CW 2243-2 L is a modified, solvent-free epoxy resin containing inorganic fillers, while Aradur® HY 842 is a low-viscosity polyamidoamine hardener. This optimally filled casting system is designed for processing and curing at slightly elevated temperatures, offering low viscosity, flexible castings, and good thermal shock resistance.
| Property | Araldite® CW 2243-2 L (Resin) | Aradur® HY 842 (Hardener) |
|---|---|---|
| Appearance | Blue, viscous liquid | Clear liquid |
| Viscosity (25°C, mPa·s) | 4000 – 12000 | 400 – 700 |
| Specific Gravity (20°C, g/cm³) | 1.610 – 1.650 | 0.95 |
| Flammability (UL 94, 6 mm) | V-0 | — |
| Property | Value |
|---|---|
| Mix Ratio (pbw) | 100:20 |
| Mix Ratio (pbv) | 100:34 |
| Mixed Viscosity at 25°C (mPa·s) | 2600 |
| Mixed Viscosity at 40°C (mPa·s) | 1100 |
| Gel Time (25°C, min) | 300 |
| Gel Time (40°C, min) | 180 |
| Gel Time (60°C, min) | 60 |
| Curing Time | 24h at RT or 6h at 60°C |
| Glass Transition Temperature (°C) | 22 |
| Shore D Hardness | 41 |
| Tensile Strength (MPa) | 4 |
| Elongation at Break (%) | 27 |
| Thermal Conductivity (W/m·K) | 0.6 |
| Dielectric Strength (kV/mm, 2mm specimen) | 23 |
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