Henkel LOCTITE-AA-3922 (1LTR-BOTTLE)

Additional Product Information

Overview

LOCTITE AA 3922 is a fast-curing, one-component UV/visible light acrylic adhesive designed for precision bonding in medical device assembly. Widely used in aviation and MRO contexts, teams rely on it for its high-speed curing, excellent adhesion to metals, plastics, and glass, and autoclave and sterilization resistance, ensuring consistent performance under demanding operational conditions.

Key Technical Specs for LOCTITE AA 3922

• Type: Acrylic, UV/visible light curable
• Appearance: Transparent to hazy liquid
• Viscosity/Consistency: Low (150 450 mPa s at 25 C)
• Cure/Working Time: Fixture time ?10 seconds (UV 6 mW/cm @ 365 nm), tack-free >60 seconds
• Tensile Strength: 18 N/mm (2,600 psi)
• Shore Hardness: D 66
• Service Temperature: Up to 100 C continuous
• Elongation at Break: 135%
• Typical Uses: Bonding stainless steel cannulae into hubs, syringes, and lancets; precision bonding of glass, plastics, and metals
• Shelf Life: Store unopened at 8 21 C; avoid exposure to UV/light and temperature extremes

Approvals & Specifications

• ISO 10993 biocompatibility tested
• Henkel ISO 10993 Quality Program compliant
• Certificates of Compliance available from Henkel Quality Department

Typical Aircraft MRO / AOG Applications

• Precision bonding in medical and avionics assemblies
• Adhesive inspection in black-light visible assemblies
• High-speed component bonding where UV curing is feasible
• Bonding of thermoplastics and metals in AOG repair kits

Compatibility & Safety Notes

• Compatible with ABS, acrylic, polycarbonate, polypropylene, polystyrene, stainless steel, and treated polyethylene
• Not suitable for pure oxygen or strong oxidizing environments
• Wear appropriate PPE; avoid direct UV exposure during curing
• Clean bond surfaces free from grease for optimal performance
• Excess uncured adhesive can be removed with organic solvents (e.g., acetone)

Packaging & Procurement

• Available in pre-filled applicators or bulk containers
• Store in unopened container, dry location, 8 21 C
• Single-component system eliminates mixing; reduces waste and simplifies use
• Easy-to-handle applicators for controlled dispensing

Why LOCTITE AA 3922 is Chosen for AOG / MRO

• Fast curing reduces downtime and accelerates production
• High reliability ensures durable, flexible bonds even after sterilization
• Versatile adhesion across multiple substrates
• Inspection-friendly with UV fluorescence
• Supports critical assemblies in high-pressure environments

Practical Suggestions for Your Team (AOG Mindset)

• Maintain stock in controlled temperature storage to preserve shelf life
• Use black feedlines or UV-protective dispensers to prevent premature curing
• Train staff on UV curing protocols and bond inspection procedures
• Allow bonded assemblies to cool before applying service loads
• Perform preliminary trials for new substrates to verify compatibility

Manufacture / Aviation Spec Codes

• Manufacturer: Henkel Corporation
• Product ID: LOCTITE AA 3922
• ISO 10993 biocompatibility
• Henkel Quality Program Certification

Alternative Names & Descriptions

• LOCTITE AA 3922 UV Adhesive
• Henkel AA 3922 Acrylic Adhesive
• Medical Device UV Bonding Adhesive
• Stainless Steel Cannula Bonding Adhesive
• UV/Visible Light Curable Acrylic Adhesive