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Which LOCTITE Threadlocker is right for your application?

 

LOCTITE threadlockers are single-component adhesives that cure in the absence of air and in contact with active metal to form a tough thermoset plastic.     

When choosing a LOCTITE threadlocker, there are four things to consider:

 

    1. Strength

    • Low Strength (Purple): Ideal for fasteners <1⁄4" (6 mm). Easy disassembly using hand tools
    • Medium Strength (Blue): Designed to be removable with standard hand tools on 1⁄4" to 3⁄4" fasteners
    • High Strength (Red): Designed to deliver high strength on 1⁄4" to 3⁄4" (6 mm to 22 mm) fasteners. For removal, it may require localized heat (>550°F/260°C), hand tools, and disassembly while hot

    2. Viscosity

    • Liquid Formulas: Everyday assembly; ideal for fine threads and blind holes
    • Semisolid Formulas: Pocket-friendly, ideal for overhead applications
    • Tape Formula: Pocket-friendly; controlled application; can be pre-applied several days before assembly

    3. Application Methods

    • Pre-Applied: QuickTape threadlocker can be applied beforehand on bolts that are waiting to be assembled
    • Pre-Assembly: Most LOCTITE® liquid threadlockers are designed to be applied at the moment that parts will be assembled
    • Post-Assembly: Wicking grade formula can be applied on parts that are already assembled

    4. Materials Being Assembled

    • All LOCTITE® Threadlockers: Metal-to-metal applications
    • LOCTITE® 425 Assure: Plastic-to-plastic, plastic-to-metal applications
Key Features
  • Prevents loosening of fasteners from shock and vibration – increase safety 
  • Stops rust and corrosion– increase reliability
  • Can be used on various size fasteners – reduces inventory costs’

Achieve Greatness with LOCTITE

 

Loctite

 

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