Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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• Item Name: LOCTITE® 660™
• Manufacturer: Henkel
• Technologies: Acrylic (Urethane Methacrylate)
• Color: Metallic Gray Paste
• Cure Type: Anaerobic, Secondary Cure with Activator
• Package Size: Contact to Techniq VN for details.
• Shelf Life: Contact to Techniq VN for details.
LOCTITE® 660™ is a high-strength, high-viscosity, anaerobic retaining compound formulated with urethane methacrylate. It is designed for bonding cylindrical fitting parts, especially where bond gaps can be as large as 0.50 mm. The product cures in the absence of air between close-fitting metal surfaces, ensuring a secure bond that resists shock and vibration. It is NSF registered (Category P1) for use as a sealant in non-food-contact areas in food processing environments.
| Property | Value |
|---|---|
| Chemical Type | Urethane methacrylate |
| Appearance | Metallic gray paste |
| Specific Gravity (@ 25°C) | 1.13 |
| Viscosity (Brookfield HBT, 25°C) | Spindle TB, 0.5 rpm: 1,000,000 to 2,000,000 mPa·s |
| Spindle TB, 5.0 rpm: 150,000 to 350,000 mPa·s | |
| Flash Point | See SDS |
| Components | One component – requires no mixing |
| Cure Type | Anaerobic (secondary cure with activator) |
| Fluorescence | No |
(Measured after 24 hours @ 23°C unless otherwise noted)
| Property | Value |
|---|---|
| Glass Transition Temperature (ISO 11359-2) | 100 °C |
| Coefficient of Thermal Expansion | Below Tg: 93 × 10⁻⁶ K⁻¹ |
| Above Tg: 184 × 10⁻⁶ K⁻¹ | |
| Thermal Conductivity (ISO 8302) | 0.1 W/(m·K) |
| Specific Heat | 0.3 kJ/(kg·K) |
| Elongation at Break (ISO 37) | <2% |
| Compressive Shear Strength (ISO 10123, Steel pins/collars) | ≥17.2 N/mm² (2,490 psi) |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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