Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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1. Product Overview:
LOCTITE® SI 5699™ is a one-component, non-corrosive oxime silicone sealant designed primarily for flange sealing. It provides excellent oil resistance and is suitable for sealing rigid flanges, such as transmissions and cast metal housings. The product is thixotropic, preventing migration after application, and cures at room temperature (RTV). It is NSF P1 registered for use in food processing areas (where no food contact occurs).
2. Applications:
3. Typical Properties – Uncured & Cured (Table Format):
| Property | Value / Range | Test Standard |
|---|---|---|
| Uncured Properties | ||
| Specific Gravity @ 20°C | 1.45 | – |
| Extrusion Rate (g/min) | ≥200 | – |
| Tack Free Time (min) | ≤30 | – |
| Cured Properties (1 week @ 25°C / 50±5% RH) | ||
| Shore Hardness (A) | 45 to 75 | ISO 868 |
| Elongation (%) | ≥100 | ISO 37 |
| Tensile Strength (N/mm²) | ≥2.4 (≥348 psi) | ISO 37 |
| Adhesive Properties (14 days @ 23°C, 60±5% RH, 0.5 mm gap) | ||
| Lap Shear Strength – Aluminum (N/mm²) | 0.1 to 0.7 | – |
| Lap Shear Strength – Zinc Dichromate (N/mm²) | 0.7 to 1.5 | – |
| Lap Shear Strength – Mild Steel (N/mm²) | 1.3 to 2.1 | – |
| Lap Shear Strength – Abraded Aluminum (N/mm²) | 1.3 to 2.0 | – |
| Electrical Properties | ||
| Surface Resistivity (Ω) | 2×10¹⁵ | IEC 60093 |
| Volume Resistivity (Ω·cm) | 2×10¹⁵ | IEC 60093 |
| Dielectric Constant (100Hz / 10kHz / 10MHz) | 2.8 / 4.0 / 4.1 | IEC 60250 |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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