Loctite Threadlocker Medium Strength 242

Loctite 242 is a versatile, medium-strength threadlocker designed to lock and seal threaded fasteners to prevent loosening due to vibration or shock. It is ideal for use on a wide variety of metal substrates and can be disassembled with standard hand tools, making it a go-to solution for both maintenance and assembly applications.

Key Features

1. Medium Strength:
   • Ensures a secure hold while allowing disassembly with regular tools when needed.
2. Prevents Loosening:
   • Effectively prevents screws, bolts, and other fasteners from loosening due to vibrations or impacts.
3. Seals Threads:
   • Protects against leaks by filling gaps between threads, creating a seal that resists moisture, oils, and other contaminants.
4. Metal Compatibility:
   • Works on a wide range of metals, including stainless steel, aluminum, and plated surfaces.
5. Cures in Absence of Air:
   • Anaerobic curing mechanism ensures it hardens only when confined between metal surfaces.

Applications

1. Automotive:
   • Secures bolts and nuts in engines, transmissions, and chassis components.
2. Industrial Machinery:
   • Prevents loosening of fasteners in vibrating machinery or equipment.
3. Household Repairs:
   • Ideal for securing screws in household appliances, furniture, and DIY projects.
4. Aerospace and Marine:
   • Provides reliable fastening solutions in high-stress environments.

Technical Specifications

• Base: Dimethacrylate ester
• Color: Blue
• Viscosity: Medium (800–1,600 mPa·s)
• Fixture Time: 5–15 minutes (depending on material)
• Full Cure Time: 24 hours
• Breakaway Torque: 8.5 Nm (on M10 bolts)
• Temperature Range: -55°C to +150°C (-65°F to +300°F)

How to Use

1. Surface Preparation:
   • Clean all threads thoroughly with a degreaser or cleaner to remove oil, grease, and dirt.
2. Application:
   • Shake the bottle well.
   • Apply a few drops to the threads of the male fastener.
3. Assembly:
   • Assemble parts and tighten to the desired torque.
4. Curing:
   • The product begins to set in 5–15 minutes and achieves full strength in 24 hours.

Advantages

• Medium strength for removable fasteners.
• Protects threads from corrosion and seizing.
• Reduces maintenance by preventing fastener loosening.
• Compatible with a variety of metals.

Storage

• Store in a cool, dry place between 8°C and 21°C (46°F and 70°F).
• Keep the bottle tightly closed to prevent exposure to air.

Safety Precautions

• Use in a well-ventilated area.
• Avoid contact with skin and eyes. If contact occurs, wash with plenty of water.
• Keep out of reach of children.

Loctite Threadlocker 242 is the ideal solution for medium-strength thread locking needs, offering a balance of reliability and disassembly convenience.