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® 262™
• Manufacturer: Henkel
• Technologies: Acrylic, Dimethacrylate ester
• Color: Red
• Cure Type: Anaerobic, Secondary cure with activator
• Package Size: Contact to Techniq VN for details.
• Shelf Life: Contact to Techniq VN for details.
LOCTITE® 262™ is a high-strength, permanent threadlocker designed for locking and sealing threaded fasteners. It is an anaerobic adhesive that cures in the absence of air between close-fitting metal surfaces, preventing loosening and leakage caused by shock and vibration. The product is a red, medium-viscosity liquid with thixotropic properties, reducing migration after application. It is suitable for fasteners up to M25 in size and offers secondary curing using an activator.
| Property | Value |
|---|---|
| Technology | Acrylic |
| Chemical Type | Dimethacrylate ester |
| Appearance | Red liquid |
| Fluorescence | Positive under UV light |
| Components | One-component |
| Cure Mechanism | Anaerobic |
| Secondary Cure | Activator |
| Viscosity (Brookfield RVT, 25°C, Spindle 3, 20 rpm) | 1200-1400 mPa·s (cP) |
| Viscosity (EN 12092, MV, 25°C, Shear rate 129s⁻¹) | 400 mPa·s (cP) |
| Specific Gravity @ 25°C | 1.1 |
| Property | Test Method | Value |
|---|---|---|
| Breakaway Torque (M10 steel nuts & bolts) | ISO 10964 | 22 N·m (190 lb·in) |
| Prevail Torque (M10 steel nuts & bolts) | ISO 10964 | 32 N·m (280 lb·in) |
| Breakloose Torque (pre-torqued to 5 N·m) | ISO 10964 | 38 N·m (340 lb·in) |
| Max. Prevail Torque (pre-torqued to 5 N·m) | ISO 10964 | 40 N·m (350 lb·in) |
| Compressive Shear Strength (Steel pins & collars) | ISO 10123 | ≥10 N/mm² (≥1,450 psi) |
| Property | Test Method | Value |
|---|---|---|
| Compressive Shear Strength (Steel pins & collars) | ISO 10123 | ≥3 N/mm² (≥435 psi) |
| Environment | Temp (°C) | 100 h | 500 h | 1000 h | 5000 h |
|---|---|---|---|---|---|
| Motor Oil (MIL-L-46152) | 125 | 85% | 85% | 75% | 75% |
| Leaded Petrol | 22 | 100% | 100% | 100% | 100% |
| Brake Fluid | 22 | 100% | 100% | 100% | 100% |
| Water/Glycol 50/50 | 87 | 100% | 85% | 85% | 85% |
| Acetone | 22 | 95% | 95% | 95% | 95% |
| Ethanol | 22 | 95% | 95% | 95% | 95% |
| DEF (AdBlue®) | 22 | 128% | 140% | 125% | – |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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