Henkel LOCTITE-499 (20-Gram-Tube)

Additional Product Information

Overview

LOCTITE 499 is a high-viscosity, heat-resistant ethyl cyanoacrylate adhesive designed for rapid bonding of metals, plastics, and elastomers. Widely used in aviation maintenance, repair, and overhaul (MRO), it provides fast fixture times, excellent resistance to humidity and chemicals, and reliable performance during thermal cycling. Aviation teams rely on this adhesive for quick, durable repairs that help minimize aircraft downtime and support AOG readiness.

Key Technical Specs for LOCTITE 499

• Type: Ethyl cyanoacrylate instant adhesive (one-part)
• Size / Volume: Available in multiple industrial bottle sizes (typical 20 g 500 g)
• Color: Translucent, colorless gel
• Viscosity / Consistency: High viscosity gel, 18,000 40,000 cP (mPa s)
• Cure / Working Time: Fixture time 15 100 seconds depending on substrate; full cure 24 hours at 22 C (72 F)
• Tensile Strength: Steel 12 25 N/mm (1,740 3,625 psi)
• Peel Strength: Steel <0.5 N/mm (<2.8 lb/in)
• Service Temperature: Softening point 165 C (329 F); excellent thermal cycling resistance
• Typical Uses: Bonding rubber seals, plastics, metal components, electrical parts
• Shelf Life: Typically 6 12 months when stored at 2 8 C (36 46 F)

Approvals & Specifications

• Manufactured under Henkel quality management systems
• Supported by Technical Data Sheet (TDS) and Material Safety Data Sheet (MSDS)
• Meets general industrial cyanoacrylate performance standards

Typical Aircraft MRO / AOG Applications

• Bonding rubber seals, O-rings, and gaskets
• Plastic interior component repair
• Securing wire clips and electrical insulation parts
• Temporary and permanent bonding during component replacement
• Quick repairs during aircraft turnaround or AOG situations

Compatibility & Safety Notes

• Compatible with metals, rubbers, ABS, PVC, polycarbonate, and phenolic materials
• Best performance achieved on clean, grease-free surfaces
• Recommended bond gap: 0.05 mm (0.002 in)
• Use appropriate PPE such as gloves and eye protection
• Not recommended for oxygen-rich or strong oxidizing environments

Packaging & Procurement

• Supplied in convenient industrial bottle sizes for maintenance teams
• Gel consistency enables precise and controlled dispensing
• Store unopened in dry refrigerated conditions (2 8 C / 36 46 F)
• Ready-to-use one-component adhesive for easy field deployment

Why LOCTITE 499 is Chosen for AOG / MRO

• Rapid bonding reduces aircraft downtime
• Reliable strength in harsh environmental conditions
• Versatile bonding across multiple substrates
• Portable and easy to apply in field maintenance kits

Practical Suggestions for Your Team (AOG Mindset)

• Stock refrigerated units in line maintenance kits
• Train technicians on thin bond-line application for best results
• Keep cleaning solvents available for surface preparation and excess removal
• Include in quick-repair kits for rubber and plastic components

Manufacture / Aviation Spec Codes

• Manufacturer: Henkel
• Product ID: LOCTITE 499
• Document Reference: TDS July-2008

Alternative Names & Descriptions

• LOCTITE 499 Instant Adhesive
• LOCTITE 499 Heat-Resistant Cyanoacrylate
• Henkel 499 Industrial Super Glue
• High-Viscosity Industrial CA Adhesive
• Industrial Rubber & Plastic Bonding Adhesive