Loctite 243 Threadlocker – Medium-Strength Thread Locking Adhesive for Industrial Fasteners
✅ Loctite 243 is a medium-strength anaerobic threadlocker designed to prevent threaded fasteners from loosening due to vibration, shock, and dynamic loads. It is one of the world's most widely used threadlocking adhesives because it provides secure locking while still allowing disassembly with standard hand tools during maintenance.
✅ The adhesive cures in the absence of air when confined between closely fitted metal surfaces. Once cured, it forms a durable bond that locks threaded assemblies, prevents leakage of liquids and gases, and protects threaded components against corrosion.
✅ One of the major advantages of Loctite 243 is its ability to perform on fasteners with light oil contamination. This reduces surface preparation time and increases maintenance efficiency in industrial environments where completely degreasing components is often impractical.
✅ With its medium-strength formulation, Loctite 243 is ideal for assemblies that require periodic maintenance. Fasteners can normally be removed using conventional hand tools without applying heat, making it suitable for serviceable equipment.
✅ The adhesive features a distinctive blue color and medium viscosity, allowing easy application on both horizontal and vertical threaded parts without excessive dripping. It is compatible with carbon steel, alloy steel, stainless steel, brass, bronze, and many other metallic materials.
✅ Manufactured by Henkel under the globally recognized Loctite brand, Loctite 243 is trusted in industries such as machinery manufacturing, automotive, oil and gas, mining, power generation, marine engineering, food processing, and industrial automation.


Technical Specifications
✅ Product Name: Threadlocker Adhesive
✅ Model: Loctite 243
✅ Brand: Loctite
✅ Manufacturer: Henkel
✅ Origin: Depending on Henkel Manufacturing Facility
✅ Product Type: Medium-Strength Threadlocker
✅ Color: Blue
✅ Curing Mechanism: Anaerobic
✅ Viscosity: Medium
✅ Bond Strength: Medium
✅ Operating Temperature: -55°C to +180°C
✅ Fixture Time: Approximately 10–20 Minutes (Depending on Material)
✅ Full Cure Time: Approximately 24 Hours
✅ Vibration Resistance: Excellent
✅ Chemical Resistance: Excellent
✅ Removal Method: Removable with Standard Hand Tools
✅ Suitable Materials: Carbon Steel, Stainless Steel, Brass, Bronze, and Other Metals
Applications
✅ Thread Locking for Bolts and Nuts
✅ Industrial Engines
✅ Gearboxes
✅ Industrial Pumps
✅ Industrial Valves
✅ Piping Systems
✅ Air Compressors
✅ Hydraulic Equipment
✅ Pneumatic Equipment
✅ Automotive Equipment
✅ Mechanical Engineering
✅ Automated Manufacturing Lines
Hotline: 0084 787900099