
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
• Item Name: LOCTITE® 641
• Manufacturer: Henkel
• Technologies: Acrylic, Methacrylate Ester
• Color: Yellow
• Cure Type: Anaerobic, Secondary Cure with Activator
• Package Size: Contact to Techniq VN for details.
• Shelf Life: Contact to Techniq VN for details.
LOCTITE® 641 is a medium-strength, anaerobic acrylic adhesive designed for bonding cylindrical fitting parts, especially where disassembly is needed for servicing. It cures in the absence of air between close-fitting metal surfaces, preventing loosening and leakage due to shock and vibration.
Property | Value |
---|---|
Appearance | Yellow liquid |
Specific Gravity @ 25°C | 1.07 |
Viscosity @ 25°C (mPa·s) | 1,215 – 2,750 (2.5 rpm) / 400 – 800 (20 rpm) |
Fluorescence | Negative |
Property | Value |
---|---|
Coefficient of Thermal Expansion | 80×10⁻⁶ K⁻¹ |
Coefficient of Thermal Conductivity | 0.1 W/(m·K) |
Specific Heat | 0.3 kJ/(kg·K) |
Property | Value |
---|---|
Compressive Shear Strength (ISO 10123) | ≥6.5 N/mm² (940 psi) |
Condition | Strength Retention (%) |
---|---|
Motor oil @ 125°C (1000 h) | 90 |
Unleaded Petrol @ 22°C (1000 h) | 95 |
Brake fluid @ 22°C (1000 h) | 100 |
Water/glycol (50/50) @ 87°C (1000 h) | 90 |
Ethanol @ 22°C (1000 h) | 100 |
Acetone @ 22°C (1000 h) | 80 |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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