Loctite 242: Excellent Oil Resistance, Suitable for Various Metal Threads

Loctite 242: Medium-Strength Threadlocker

1. Product Overview

Loctite 242 is a medium-strength threadlocker designed to secure threaded metal assemblies against loosening due to vibration. It is suitable for use on a wide range of metal threads, including stainless steel and plated surfaces, and performs exceptionally well even in slightly contaminated conditions (such as those with oils, cutting fluids, and lubricants).


2. Key Features

  • Medium Strength Locking
    Provides reliable medium-strength locking that ensures stability and prevents loosening of threaded connections.
  • Oil and Contamination Tolerance
    Effective even in the presence of light oil or contamination, making it ideal for various industrial and automotive applications.
  • Removable
    Allows for easy disassembly with standard tools, making it suitable for applications requiring periodic maintenance.
  • High Temperature and Chemical Resistance
    Performs well at temperatures up to 150°C (302°F) and resists a variety of chemicals, ensuring durability in harsh environments.
  • Prevents Leaks
    Seals gaps and prevents leakage of fluids, enhancing the reliability of connections in critical applications.

3. Product Specifications

  • Chemical Type: Methacrylate
  • Color: Blue
  • Viscosity: 900 – 1,500 mPa·s (cP)
  • Cure Time: Full cure in 24 hours
  • Maximum Thread Size: M36
  • Operating Temperature Range: -55°C to +150°C (-67°F to +302°F)
  • Shear Strength: 9.5 N/mm²
  • Breakaway Torque: 19 Nm (M10 bolts)
  • Prevail Torque: 7 Nm (M10 bolts)
  • Chemical Resistance: Excellent resistance to oils, lubricants, and industrial fluids

4. Applications

  • Machinery and Equipment Assembly
    Loctite 242 is ideal for securing machinery and equipment threaded connections, especially in high-vibration environments.
  • Automotive Industry
    Used extensively in automotive assembly and repair, including engine components and transmission systems.
  • Industrial Equipment
    Suitable for use in various industrial settings where reliability and resistance to vibration and contamination are critical.
  • Oil, Gas, and Chemical Industries
    Provides reliable sealing and locking in harsh environments, including applications with exposure to oils and chemicals.

5. How to Use

  1. Clean the Threads: Ensure threads are clean and dry. Lightly oil-contaminated surfaces can be used, but for best results, clean thoroughly.
  2. Apply the Adhesive: Evenly apply Loctite 242 to the threads.
  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.

产品描述

Loctite 242: Medium-Strength Threadlocker

1. Product Overview

Loctite 242 is a medium-strength threadlocker designed to secure threaded metal assemblies against loosening due to vibration. It is suitable for use on a wide range of metal threads, including stainless steel and plated surfaces, and performs exceptionally well even in slightly contaminated conditions (such as those with oils, cutting fluids, and lubricants).


2. Key Features

  • Medium Strength Locking
    Provides reliable medium-strength locking that ensures stability and prevents loosening of threaded connections.
  • Oil and Contamination Tolerance
    Effective even in the presence of light oil or contamination, making it ideal for various industrial and automotive applications.
  • Removable
    Allows for easy disassembly with standard tools, making it suitable for applications requiring periodic maintenance.
  • High Temperature and Chemical Resistance
    Performs well at temperatures up to 150°C (302°F) and resists a variety of chemicals, ensuring durability in harsh environments.
  • Prevents Leaks
    Seals gaps and prevents leakage of fluids, enhancing the reliability of connections in critical applications.

3. Product Specifications

  • Chemical Type: Methacrylate
  • Color: Blue
  • Viscosity: 900 – 1,500 mPa·s (cP)
  • Cure Time: Full cure in 24 hours
  • Maximum Thread Size: M36
  • Operating Temperature Range: -55°C to +150°C (-67°F to +302°F)
  • Shear Strength: 9.5 N/mm²
  • Breakaway Torque: 19 Nm (M10 bolts)
  • Prevail Torque: 7 Nm (M10 bolts)
  • Chemical Resistance: Excellent resistance to oils, lubricants, and industrial fluids

4. Applications

  • Machinery and Equipment Assembly
    Loctite 242 is ideal for securing machinery and equipment threaded connections, especially in high-vibration environments.
  • Automotive Industry
    Used extensively in automotive assembly and repair, including engine components and transmission systems.
  • Industrial Equipment
    Suitable for use in various industrial settings where reliability and resistance to vibration and contamination are critical.
  • Oil, Gas, and Chemical Industries
    Provides reliable sealing and locking in harsh environments, including applications with exposure to oils and chemicals.

5. How to Use

  1. Clean the Threads: Ensure threads are clean and dry. Lightly oil-contaminated surfaces can be used, but for best results, clean thoroughly.
  2. Apply the Adhesive: Evenly apply Loctite 242 to the threads.
  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.
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