Henkel LOCTITE-609 (250ml-Btl)

Additional Product Information

Overview

LOCTITE 609 is a high-strength anaerobic retaining compound designed for bonding cylindrical metal assemblies. Widely used across aviation maintenance, repair, and overhaul (MRO), it cures when confined between close-fitting metal parts, preventing loosening, vibration damage, and leakage. Aviation teams rely on this product to secure press fits, reduce downtime, and deliver dependable long-term performance in critical assemblies.

Key Technical Specs for LOCTITE 609 Retaining Compound

• Type: Anaerobic acrylic retaining compound (methacrylate ester)
• Size/Volume: Available in multiple industrial pack sizes
• Color: Green liquid (fluorescent under UV)
• Viscosity/Consistency: Low viscosity, 110 140 mPa s (cP)
• Cure/Working Time: Handling strength ~1 hour at 22 C (72 F); full cure ~24 hours
• Strength: Compressive shear ?15.8 N/mm (?2,290 psi) after 24 hours
• Shore Hardness: Not specified
• Service Temperature: Tested performance up to 150 C (302 F)
• Typical Uses: Retaining bearings, bushings, sleeves, rotors, gears, and pulleys
• Shelf Life: Refer to packaging/SDS; store at 8 21 C (46 70 F)

Approvals & Specifications

• Tested to Mil-R-46082B lot requirements (regional approval)
• ASTM D5363 testing compliance (North America production)
• Batch test reports available per Loctite Material Specification (LMS)

Typical Aircraft MRO / AOG Applications

• Securing rotor-to-shaft assemblies in electric motors
• Locking bushings and sleeves in housings
• Reinforcing press fits on bearings and gears
• Preventing fretting corrosion in rotating assemblies
• Sealing cylindrical joints exposed to vibration and fluids

Compatibility & Safety Notes

• Best suited for close-fitting metal components
• Not recommended for plastics without compatibility testing
• Avoid use in oxygen-rich or strong oxidizing environments
• Use PPE and consult Safety Data Sheet before handling
• Surface cleaning with LOCTITE solvents recommended for best results

Packaging & Procurement

• Supplied in industrial bottles and maintenance pack sizes
• One-component formula requires no mixing
• Optimal storage: 8 21 C (46 70 F)
• Activator 7471 or 7649 available to accelerate cure when required

Why LOCTITE 609 Retaining Compound is Chosen for AOG / MRO

• Rapid strength development for faster return-to-service
• Excellent resistance to fuels, oils, and hydraulic fluids
• High reliability under vibration and shock
• Improves durability of press-fit assemblies
• Easy single-component application in field environments

Practical Suggestions for Your Team (AOG Mindset)

• Stock alongside activators for cold or large-gap repairs
• Train technicians on proper surface preparation for optimal cure
• Use UV inspection for quality assurance and traceability
• Keep controlled storage to maintain shelf life and performance

Manufacture / Aviation Spec Codes

• Manufacturer: Henkel / LOCTITE
• Product ID: LOCTITE 609
• Military Spec: Mil-R-46082B
• Testing Standard: ASTM D5363

Alternative Names & Descriptions

• LOCTITE 609 Retaining Adhesive
• LOCTITE Green Bearing Retainer
• LOCTITE High Strength Retaining Compound
• LOCTITE 609 Cylindrical Bonding Adhesive
• Henkel Retaining Compound 609