Henkel LOCTITE-4902 (20GM-BOTTLE)

Additional Product Information

Overview

LOCTITE 4902 is a high-performance, flexible cyanoacrylate adhesive designed for the assembly of disposable medical devices. Trusted in precision assembly environments, it enables reliable bonding across plastics, rubbers, and metals while maintaining flexibility under stress. Aviation and MRO teams rely on it for rapid, durable bonding and sealing performance in critical applications.

Key Technical Specs for LOCTITE 4902

• Type: Cyanoacrylate adhesive (Ethyl and Octyl)
• Size/Volume: One-part, no mixing required
• Color: Clear, colorless liquid
• Viscosity/Consistency: Low viscosity, 150 250 mPa s (cP) at 25 C, shear rate 100 s?
• Cure/Working Time: Fixture time varies by substrate (e.g., ABS 5 10 s, Aluminum ?20 s, Neoprene 120 210 s) and bond gap; humidity activated
• Tensile/Peel Strength: Lap shear strength up to 14 N/mm (Aluminum etched), tensile strength up to 16 N/mm (Buna-N)
• Shore Hardness: Shore A 65
• Service Temperature: Heat resistant up to 120 C
• Typical Uses: Assembly of flexible medical devices, bonding dissimilar or opaque substrates, leak-proof sealing applications
• Shelf Life: Store at 2 8 C in unopened container; avoid contamination

Approvals & Specifications

• ISO 10993 certified (biocompatibility)
• Henkel quality compliance program
• Certificates of Compliance available via Henkel

Typical Aircraft MRO / AOG Applications

• Bonding and sealing small assemblies in cockpit instrumentation
• Securing lightweight interior panels and trim components
• Repair of flexible tubing and seals
• Rapid fixturing for emergency component repairs

Compatibility & Safety Notes

• Compatible with plastics, rubbers, and metals
• Not recommended for pure oxygen or strong oxidizers such as chlorine
• Use proper PPE including gloves and eye protection
• Ensure clean, grease-free bonding surfaces; primer may be used on low energy plastics

Packaging & Procurement

• Available in single-part adhesive containers, ready-to-use
• Store in unopened containers at 2 8 C
• Easy-to-apply liquid form, no mixing required
• Market packs suitable for both large-scale and AOG teams

Why LOCTITE 4902 is Chosen for AOG / MRO

• Rapid fixture times reduce aircraft downtime
• Maintains bond flexibility under stress, enhancing reliability
• Versatile across multiple substrates and conditions
• Portable and easy-to-apply for emergency repairs

Practical Suggestions for Your Team (AOG Mindset)

• Keep a small inventory of adhesive and primer for emergency repairs
• Train staff on correct surface preparation and primer/activator use
• Use thin bond gaps for optimal cure speed and strength
• Clamp or hold components until full fixture is achieved (24 72 hours)

Manufacture / Aviation Spec Codes

• Manufacturer: Henkel
• Product ID: LOCTITE 4902
• MIL/OEM/Export Codes: ISO 10993, Henkel QA Program

Alternative Names & Descriptions

• LOCTITE 4902 Medical Adhesive
• Henkel 4902 Cyanoacrylate
• 4902 Flexible Bonding Adhesive
• LOCTITE 4902 Clear Liquid Adhesive
• 4902 ISO 10993 Certified Adhesive