Loctite Threadlocker - Red - 50ml
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Product Information
Full details
The Loctite Threadlocker - Red - 50ml is an industrial-grade adhesive for permanently locking and sealing large threaded fasteners (M25 and above). Its key benefit is preventing loosening and leakage caused by shock and vibration, ensuring secure assemblies. A caveat is its permanent nature, requiring heat or significant force for disassembly. This high-strength, high-temperature threadlocker cures in the absence of air between metal surfaces, offering robust protection for steel, stainless steel, aluminum, and brass.
All features
| Colour | Red |
|---|---|
| Model Part Number | 1008095 |
| Brand | Loctite |
Extended Product Information
FAQs
What does 'permanent locking' mean for this threadlocker?
Permanent locking means the bond is designed to resist loosening due to vibration and shock. Disassembly requires significant force, often involving localized heat to break the chemical bond.
What is the temperature range for Loctite Red 272?
This threadlocker is designed for high-temperature applications and can typically withstand service temperatures up to 150°C (300°F) after full cure.
Can I use this on smaller bolts, like M6 or M8?
Loctite Red 272 is specifically formulated for larger fasteners (M25 and above) due to its high strength and permanent nature. For smaller fasteners, consider Loctite Blue or other removable threadlockers.
How long does it take to fully cure?
On most metal surfaces at room temperature (20-25°C), full cure is achieved in approximately 24 hours. Fixture cure can occur in as little as 2-4 hours.
What surfaces is this threadlocker compatible with?
It is compatible with steel, stainless steel, aluminum, and brass. For inactive metals or applications in cold temperatures, a surface activator may be recommended.
How should I store the Loctite 272?
Store the container tightly sealed in a cool, dry environment, away from direct sunlight and ignition sources.
What is the shelf life of Loctite Red 272?
Typically, unopened containers stored under recommended conditions have a shelf life of one year from the date of manufacture.
Troubleshooting
Threadlocker does not cure or cures slowly
Ensure sufficient metal-to-metal contact, check for air gaps. Use an activator for inactive metals or low temperatures. Verify cure time; full cure takes up to 24 hours.
Loosening occurs despite application
Verify that the correct grade of threadlocker was used and applied adequately to all threads. Ensure surfaces were properly cleaned before application. Confirm that the assembled torque met specifications.
Difficulty in disassembly
Apply localized heat to the assembly (typically 200-250°C) to soften the cured adhesive. Use appropriate hand tools for disassembly once heated.
Product appears thicker than usual
This can occur due to storage conditions. Ensure the product is within its shelf life. If viscosity is too high for application, consider using a surface activator or applying slight warmth to the container.
Pros and Cons
Pros
- Provides a permanent, vibration-resistant bond for critical assemblies.
- High temperature performance suitable for demanding industrial environments.
- Seals threads effectively, preventing fluid loss and contamination.
- Protects against corrosion and galling of threaded parts.
- Works on a wide range of common industrial metals.
Cons
- Permanent bond requires heat or significant force for disassembly.
- Not suitable for small fasteners (below M25) where disassembly might be frequent.
- Requires air-free conditions between metal surfaces to cure effectively.
- May require a surface activator for non-reactive metals or low temperatures.
- Can be messy if not applied carefully, leading to excess adhesive.
Setup, Compatibility & Care
Setup:
- Ensure surfaces are clean, dry, and free from oil, grease, and other contaminants. For best results on inactive surfaces or at low temperatures, use an activator like Loctite SF 734 or SF 7471.
- Apply a continuous bead of threadlocker to the male threads.
- Assemble parts and tighten to the required torque.
- Allow 24 hours for full cure at room temperature (20-25°C). Faster cure can be achieved with heat.
Compatibility:
Compatible with:
- Steel
- Stainless Steel
- Aluminum
- Brass
Care:
- Store in a cool, dry place away from direct sunlight.
- Keep the container tightly sealed when not in use.
- Avoid contamination of the product.