Henkel LOCTITE-648 (250-ml-Btl)

Additional Product Information

Overview

LOCTITE 648 is a high-performance acrylic retaining adhesive engineered for the bonding of cylindrical fitting parts. Commonly used in aviation and MRO environments, it provides strong retention on shafts, gears, and rotors, even under vibration, shock, or oil contamination. Maintenance and engineering teams rely on it for consistent curing performance on both active and passive metals, ensuring assemblies remain secure and operational in critical applications.

Key Technical Specs for LOCTITE 648

• Type: Acrylic, urethane methacrylate
• Size/Volume: Single-component adhesive, various container sizes available
• Color: Green liquid (uncured)
• Viscosity/Consistency: Low viscosity, 400 600 mPa s (cP)
• Cure/Working Time: Anaerobic cure; secondary activator optional for faster cure
• Tensile/Peel Strength: Compressive shear strength on steel pins/collars ?25 N/mm (?3,625 psi) after 24 hours at 22 C
• Shore Hardness: Not specified; cures to a rigid adhesive
• Service Temperature: Tested from -75 C (-100 F) up to 200 C (392 F)
• Typical Uses: Retaining gears, sprockets, rotors, bearings, and bushings in MRO assemblies
• Shelf Life: Store unopened at 8 21 C (46 70 F); avoid storage below 8 C or above 28 C

Approvals & Specifications

• ISO 10123: Shear strength testing
• ISO 10964: Torque performance testing
• Compatible with OEM and industrial retention assembly standards

Typical Aircraft MRO / AOG Applications

• Securing gearbox shafts and rotors
• Retaining bearings and bushings in control systems
• Assembly of high-stress cylindrical fittings in hydraulic and electrical components
• Fast-turn maintenance operations requiring reliable curing under variable temperatures and contamination

Compatibility & Safety Notes

• Compatible with mild steel, stainless steel, aluminum, and plated surfaces
• Not recommended for pure oxygen, strong oxidizers, or most plastics
• Use appropriate PPE: gloves and eye protection recommended
• Clean surfaces prior to bonding with LOCTITE cleaning solvents

Packaging & Procurement

• Available in multiple container sizes for small and bulk applications
• Single-component, ready-to-use format; no mixing required
• Store in a dry location at 8 21 C (46 70 F)
• Easy application for slip-fit, press-fit, and shrink-fit assemblies

Why LOCTITE 648 is Chosen for AOG / MRO

• Rapid and reliable curing for critical assemblies
• High strength and temperature tolerance for demanding applications
• Versatile use across multiple metals and slightly contaminated surfaces
• Portable and easy to handle during urgent maintenance operations

Practical Suggestions for Your Team (AOG Mindset)

• Stock small and bulk containers for fast AOG turnaround
• Train technicians on surface preparation and activator use for optimal cure
• Use temperature management (heating/cooling) for shrink-fit or press-fit assemblies
• Ensure safe handling and storage to maintain adhesive quality

Manufacture / Aviation Spec Codes

• Manufacturer: Henkel Corporation
• Product ID: LOCTITE 648
• MIL/OEM/Export Codes: Refer to specific Henkel batch documentation for detailed certifications

Alternative Names & Descriptions

• Henkel LOCTITE 648 Retaining Compound
• LOCTITE 648 Anaerobic Adhesive
• LOCTITE 648 Shaft Retention Adhesive
• LOCTITE 648 High Strength Retainer
• Henkel 648 Green Liquid Retaining Adhesive