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Thread Locking

Thread-locking fluid (threadlocker) is a thin, single-component adhesive, applied to the threads of fasteners such as screws and bolts to prevent loosening, leakage, and corrosion.

Thread-locking fluid (threadlocker) is a thin, single-component adhesive, applied to the threads of fasteners such as screws and bolts to prevent loosening, leakage and corrosion. Typically, thread-locking fluids are methacrylate based and cure anaerobically, which means that in contrast to ordinary sealants and adhesives, they do not cure when exposed to air. Instead, when penetrating narrow gaps in metal structures, they cure in absence of air at room temperature without contracting. Thread-locking fluid is thixotropic: under shear stress, it exhibits a time-dependent decrease in viscosity. This allows it to flow well over time, yet still resist short-duration shearing, as in vibration or shock. These products offer excellent resistance to vibration, heat, and chemical action. Each of them is one-part and non-solvent, and therefore has good workability and is easy to use.

NB Air curing threadlockers are also available and can be used instead of conventional low strength anaerobic threadlockers and tamper-proof paints.

Typical Applications of Thread-locking Adhesives

Used across a diverse range of industries including electronics, automotive and general manufacturing, thread-locking adhesives offer a preferred alternative to mechanical locking methods, providing a lighter weight, more cost-effective and permanent solution for preventing threaded fastener failure.

Examples of typical uses and benefits include:

   -   Metal bonding applications where conditions are changed by the removal of oxygen, such as bonding gears to shafts
   -   Permanent locking and sealing of stud bolts, various nuts, bearings, gears and pulleys
   -   Preventing loosening of fasteners
   -   Providing corrosion resistance
   -   Preventing leakage

 Key Characteristics of Thread-locking Adhesives

   -   Excellent chemical, heat and moisture resistance
   -   Excellent chemical, heat and moisture resistance
   -   High shear strength
   -   Vibration, impact and shock resistance
   -   Exceptional durability, environmental resistance
   -   Anaerobic curing - cures in the absence of air
   -   Thixotropic
   -   Single component
   -   Non-solvent
   -   Easier handling

Types of Thread-locking Adhesives Available

Techsil’s complete range of single component thread-locking adhesives includes: Methacrylates, UV Curing Acrylates and Acrylics.

Brands include Henkel LOCTITE®, ThreeBond, Panacol and Techsil’s own Brand

 

 

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