Loctite 271: The Thread Fixing Expert for Extreme Conditions

Loctite 271: Ultra-High Strength Threadlocker

1. Product Overview

Loctite 271 is an ultra-high strength threadlocker designed for applications requiring permanent locking and high resistance to vibration. Whether in high-pressure, high-temperature, or extreme vibration environments, Loctite 271 ensures long-term stability of threaded connections. This product is widely used in industries with demanding locking requirements, such as heavy machinery, industrial equipment, and automotive manufacturing.

2. Key Features

• Ultra-High Strength Locking
  • Provides extremely strong locking, ideal for threaded connections that require permanent fixation.
• Exceptional High-Temperature Resistance
  • Remains effective at temperatures up to 150°C (302°F), making it suitable for extreme high-temperature applications.
• Vibration Resistance
  • Specifically designed to resist vibration, preventing thread loosening and ensuring stable operation of equipment.
• Excellent Chemical Resistance
  • Exhibits outstanding resistance to oils, lubricants, and various chemicals, ensuring long-lasting performance in harsh conditions.
• Permanent Locking
  • Suitable for threaded connections that do not require disassembly, providing long-term security once cured.

3. Product Specifications

• Chemical Type: Methacrylate
• Color: Red
• Viscosity: 400 – 600 mPa·s (cP)
• Cure Time: Full cure in 24 hours at room temperature
• Maximum Thread Size: M36
• Operating Temperature Range: -55°C to +150°C (-67°F to +302°F)
• Shear Strength: 22 N/mm²
• Breakaway Torque: 26 Nm (M10 bolts)
• Prevail Torque: High torque; requires heat and tools for disassembly
• Chemical Resistance: Excellent resistance to oils, lubricants, and various chemicals

4. Applications

• Heavy Machinery
  • Ideal for threaded connections in heavy machinery, ensuring long-term stability under high loads and extreme conditions.
• Industrial Equipment
  • Suitable for fastener connections in industrial equipment, especially in high-temperature, high-pressure, and high-vibration environments.
• Automotive Industry
  • Widely used in automotive manufacturing and repair, particularly for components requiring extremely strong locking.
• Oil & Gas
  • Suitable for critical threaded connections in the oil, gas, and chemical industries, ensuring reliability in harsh environments.

5. How to Use

1. Clean the Threads: Ensure the thread surfaces are clean and dry. Thoroughly clean any contaminated surfaces for optimal performance.
2. Apply the Adhesive: Evenly apply Loctite 271 to the threaded surfaces.
3. Assemble the Threads: Tighten the threads to ensure the adhesive is evenly distributed.
4. Cure Time: Allow the adhesive to cure for 24 hours at room temperature for full strength.