Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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LOCTITE® EA 3425 is a two-component, thixotropic epoxy adhesive that cures at room temperature. It is designed for bonding metals, ceramics, rigid plastics, and wood. This adhesive provides high strength and non-sag properties, making it ideal for vertical surfaces and filling gaps up to 3 mm.
| Property | Resin | Hardener |
|---|---|---|
| Appearance | Light beige paste | Light beige paste |
| Specific Gravity (@25°C) | 1.34 – 1.4 | 1.37 – 1.45 |
| Viscosity (Brookfield RVT, 25°C, mPa·s) | 1,500,000 – 3,500,000 | 100,000 – 300,000 |
| Mix Ratio (by weight) | 100:100 | – |
| Pot Life (@25°C, 200g mass) | 55 – 105 minutes | – |
| Property | Value |
| Shore Hardness (Durometer D) | 70 – 80 |
| Glass Transition Temperature (Tg) | 63°C |
| Elongation | 3% |
| Tensile Strength | 27 N/mm² (3,900 psi) |
| Tensile Modulus | 1,350 N/mm² (200,000 psi) |
| Compressive Strength | 65 N/mm² (9,400 psi) |
| Coefficient of Thermal Conductivity | 0.28 W/(m-K) |
| Substrate | Strength (N/mm²) |
| Steel (grit blasted) | 25 – 30 |
| Stainless Steel | 10 – 12.5 |
| Aluminum (abraded) | 7 – 13 |
| Aluminum (etched) | 18 – 22 |
| Galvanized Steel | 11 – 16 |
| Zinc Dichromate | 12 – 15 |
| Brass | 9 – 15 |
| Hardwood (Mahogany) | 8 – 14 |
| Softwood (Red Deal) | 8 – 10 |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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