Loctite Manuals & User Guides

Loctite, a flagship brand of Henkel, is globally recognized as the leader in adhesives, sealants, and surface treatment solutions. Founded on the revolutionary technology of anaerobic engineering adhesives, Loctite has expanded its portfolio to include a vast array of industrial and consumer products. From its iconic Red and Blue threadlockers to super glues, epoxies, and retaining compounds, Loctite products are engineered to prevent fastener loosening, seal leaks, and bond materials with superior strength.

Beyond consumables, Loctite provides advanced dispensing and curing equipment, including UV LED controllers, peristaltic pumps, and hot melt dispensers. These systems are designed to ensure precise application and optimal curing in manufacturing environments. Whether for automotive repair, electronics assembly, or household maintenance, Loctite delivers reliability and innovation to professionals and DIY enthusiasts alike.

• What is the difference between Loctite Threadlocker Blue 242 and Red 271?

  Loctite Blue 242 is a medium-strength threadlocker designed for fasteners that may require disassembly with standard hand tools. Loctite Red 271 is a high-strength, permanent threadlocker intended for heavy-duty applications where disassembly is not expected; removing it typically requires localized heat and heavy tools.

• How do I remove cured Loctite Red Threadlocker?

  To disassemble parts locked with high-strength Loctite Red, apply localized heat to the nut and bolt (approximately 500°F or 260°C) and disassemble while parts are still hot.

• What safety precautions should be taken when using Loctite UV curing equipment?

  When operating Loctite UV LED controllers or curing chambers, users should avoid looking directly at the UV light source. Protective UV-blocking eyewear and clothing should be worn to prevent eye and skin damage, and the equipment should be shielded to protect bystanders.

• Where can I find the Technical Data Sheet (TDS) or Safety Data Sheet (SDS) for a Loctite product?

  TDS and SDS documents are typically available on the official Henkel or Loctite Products website by searching for the specific product name or IDH number.

• Can Loctite super glue be used on all materials?

  While versatile, standard Cyanoacrylate super glues may not bond well to certain plastics (like polyethylene or polypropylene) or glass. Specialty primers or specific formulations (like Loctite Plastics Bonding System) are recommended for difficult-to-bond surfaces.