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® 272™
• Manufacturer: Henkel
• Technologies: Acrylic, Dimethacrylate ester
• Color: Red-orange
• Cure Type: Anaerobic, Secondary cure with activator
• Package Size: Contact to Techniq VN for details.
• Shelf Life: Contact to Techniq VN for details.
LOCTITE® 272™ is a high-strength, anaerobic threadlocker designed for the permanent locking and sealing of threaded fasteners. It cures in the absence of air between close-fitting metal surfaces, preventing loosening and leakage due to shock and vibration. The product is ideal for securing large bolts and studs (M25 and larger).
| Property | Value |
|---|---|
| Uncured Properties | |
| Chemical Type | Dimethacrylate ester |
| Appearance | Red-orange liquid |
| Specific Gravity @ 25°C | 1.11 |
| Viscosity (Brookfield, 25°C, mPa·s) | 4,000 – 15,000 (Spindle 4, 20 rpm) |
| Cured Properties | |
| Coefficient of Thermal Expansion | 80 × 10⁻⁶ K⁻¹ |
| Thermal Conductivity | 0.1 W/(m·K) |
| Specific Heat | 0.3 kJ/(kg·K) |
| Adhesive Strength (ISO 10964) | |
| Breakaway Torque (M10 Steel) | 23 N·m (200 lb.in) |
| Prevail Torque (M10 Steel) | 25 N·m (220 lb.in) |
| Compressive Shear Strength (ISO 10123) | ≥14.5 N/mm² (≥2,102 psi) |
| Environmental Resistance | |
| Hot Strength (200°C) | Retains ~50% of initial strength |
| Chemical Resistance (Motor Oil, Gasoline, Water, Toluene) | 58-87% retention after 720h @ 87°C |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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