Loctite 222 High Strength Retaining Compound

About Loctite 222 High Strength Retaining Compound

Loctite 222 Threadlocker is a single-component, low-strength anaerobic adhesive designed for locking and sealing small threaded fasteners that require easy disassembly. It cures in the absence of air and in contact with metal surfaces to form a durable polymer that secures threaded components while still allowing removal using standard hand tools.

This adhesive is specifically formulated for small screws and delicate metal parts, especially those made from softer materials such as aluminum and brass. Its low-strength characteristics prevent thread damage during removal, making it ideal for applications where frequent maintenance, adjustment, or calibration is required.

Loctite 222 effectively prevents loosening caused by vibration, shock, and thermal cycling, ensuring long-term reliability in assemblies. In addition to locking, it also provides sealing properties, protecting threads from moisture, corrosion, and minor fluid leakage.

The product has a low viscosity and thixotropic nature, allowing it to flow into fine threads and small gaps without dripping or migration after application. Its purple color provides easy identification during assembly and inspection. The adhesive typically achieves handling strength within a short time and fully cures at room temperature, forming a strong yet removable bond.

Loctite 222 is suitable for use on a wide range of metals, including steel, stainless steel, aluminum, and plated surfaces, and it performs well even on slightly oily components, making it convenient for industrial environments.