Loctite 277: Powerful Resistance to High Temperatures and Vibration for Heavy Machinery

Loctite 277: High-Strength Threadlocker

1. Product Overview

Loctite 277 is a high-strength threadlocker designed for heavy-duty and high-temperature applications. It delivers exceptional locking performance under harsh industrial conditions, preventing thread connections from loosening due to vibration or temperature fluctuations. This product is widely used in environments requiring strong locking and high-temperature resistance, such as heavy machinery and industrial equipment.

2. Key Features

• High-Strength Locking
  Provides robust locking to ensure thread stability under high loads and pressure conditions.
• Excellent High-Temperature Resistance
  Remains effective at temperatures up to 180°C (356°F), suitable for extreme high-temperature environments.
• Vibration Resistance
  Specifically designed to resist vibration, ensuring that threaded connections do not loosen in high-vibration conditions.
• Good Chemical Resistance
  Offers resistance to a variety of chemicals, oils, and lubricants, making it suitable for various industrial applications.
• Permanent Locking
  Provides long-lasting, stable locking once cured, reducing maintenance frequency and costs.

3. Product Specifications

• Chemical Type: Methacrylate
• Color: Red
• Viscosity: 50,000 – 80,000 mPa·s (cP)
• Cure Time: Full cure in 24 hours at room temperature
• Maximum Thread Size: M56
• Operating Temperature Range: -55°C to +180°C (-67°F to +356°F)
• Shear Strength: 20 N/mm²
• Breakaway Torque: 56 Nm (M10 bolts)
• Prevail Torque: 30 Nm (M10 bolts)
• Chemical Resistance: Excellent resistance to oils, lubricants, and various chemicals

4. Applications

• Heavy Machinery
  Ideal for securing heavy machinery components, ensuring reliability in high-load and high-vibration environments.
• Industrial Equipment
  Suitable for use in various industrial settings, particularly under high temperatures and pressure conditions.
• Automotive Industry
  Used in automotive assembly and repair, especially for components exposed to high temperatures and vibrations.
• Oil & Gas
  Suitable for equipment and connections in the oil, gas, and chemical industries, capable of withstanding harsh working environments.

5. How to Use

1. Clean the Threads: Ensure threads are clean and dry. For best results, thoroughly clean any contaminated surfaces.
2. Apply the Adhesive: Evenly apply Loctite 277 to the threaded surfaces.
3. Assemble the Threads: Tighten the threads to ensure the adhesive covers all surfaces.
4. Cure Time: Allow the adhesive to cure at room temperature for 24 hours.