Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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LOCTITE® EA 3423™ is a two-component, high-viscosity, thixotropic epoxy adhesive that cures at room temperature. It is designed for general-purpose bonding, offering high strength across various substrates. The adhesive can bond rough, vertical surfaces and can fill gaps up to 3 mm. Once cured, it can be sanded for a smooth finish.
| Property | Resin | Hardener | Mixed |
|---|---|---|---|
| Appearance | Grey paste | Beige paste | Grey paste |
| Specific Gravity @ 25°C | 1.3 – 1.36 | 0.95 – 1 | – |
| Viscosity @ 25°C (mPa·s) | 100,000 – 400,000 | 70,000 – 110,000 | – |
| Mix Ratio (by weight) | 100 : 70 | – | – |
| Pot Life @ 25°C (200 g mass) | – | – | 30 – 60 min |
| Property | Value |
|---|---|
| Shore Hardness (D) | 70 – 80 |
| Glass Transition Temp. (°C) | 55 |
| Elongation (%) | 2 |
| Tensile Strength (N/mm²) | 24 (3,500 psi) |
| Tensile Modulus (N/mm²) | 1,500 (220,000 psi) |
| Compressive Strength (N/mm²) | 64 (9,300 psi) |
| Coefficient of Thermal Conductivity (W/m-K) | 0.28 |
| Volume Resistivity (Ω·cm) | 30 × 10¹⁵ |
| Substrate | Strength (N/mm²) | Strength (psi) |
|---|---|---|
| Steel (grit blasted) | 15 – 19 | 2,200 – 2,800 |
| Stainless Steel | 13 – 17.5 | 1,900 – 2,500 |
| Aluminum (abraded) | 7 – 12 | 1,000 – 1,700 |
| Galvanized Steel (HD) | 5 – 11 | 730 – 1,600 |
| Brass | 4 – 12 | 580 – 1,700 |
| Polycarbonate | 1 – 4 | 150 – 580 |
| Hardwood (Mahogany) | 5 – 13 | 730 – 1,900 |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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