Henkel LOCTITE-AA-3341 (1LTR-BOTTLE)

Additional Product Information

Overview

LOCTITE AA 3341 is a one-component, UV/visible light-curing acrylated urethane adhesive designed for rapid bonding and potting of thermoplastics. In aviation and MRO environments, teams rely on it for fast fixture times, flexible bonds, and dependable performance when assembling plastic components, electrical housings, and medical-grade or disposable systems used in cabin and ground support equipment.

Key Technical Specs for LOCTITE AA 3341

• Type: UV/Visible light-curing acrylic (acrylated urethane)
• Color: Transparent light yellow liquid (fluorescent under UV)
• Viscosity: 400 650 cP (mPa s) at 25 C (77 F)
• Cure / Fixture Time: Tack-free in ~5 90 seconds depending on UV intensity; fixture time ?10 seconds
• Tensile Strength: 15 N/mm (?2,200 psi)
• Elongation at Break: 220%
• Shore Hardness: Shore D 27
• UV Depth of Cure: ~4.0 mm (0.16 in)
• Service Temperature: Not specified; validate for application
• Typical Uses: Bonding PVC, polycarbonate, ABS; potting and plastic assembly
• Shelf Life / Storage: Store unopened at 8 21 C (46 70 F); avoid light exposure

Approvals & Specifications

• Qualified to Henkel ISO 10993 protocol for medical device applications
• Supports EtO and Gamma sterilization resistance
• Maintains bond strength after one steam autoclave cycle
• Batch quality testing per Henkel Material Specification (LMS)

Typical Aircraft MRO / AOG Applications

• Bonding plastic housings, covers, and panels
• Potting and sealing electrical connectors and components
• Assembly of cabin plastic components and fixtures
• Bonding PVC tubing and thermoplastic parts in ground equipment
• Rapid repair or assembly requiring UV curing in maintenance workshops

Compatibility & Safety Notes

• Designed primarily for heavily plasticized PVC; also bonds polycarbonate and ABS
• Not recommended for oxygen-rich or strong oxidizing environments
• Minimize exposure to daylight and artificial UV during handling
• Use PPE and consult SDS for safe handling procedures
• Clean and degrease bonding surfaces before application

Packaging & Procurement

• Available in standard industrial packaging formats
• One-component system no mixing required
• Low-viscosity formulation for easy dispensing
• Store in original container and avoid contamination
• Optimized for automated or manual dispensing systems

Why LOCTITE AA 3341 is Chosen for AOG / MRO

• Extremely fast curing supports rapid turnaround repairs
• Flexible, shock-resistant bond performance
• Reliable adhesion across multiple thermoplastics
• UV fluorescence enables quick inspection and QA
• Ideal for portable UV curing setups

Practical Suggestions for Your Team (AOG Mindset)

• Stock alongside portable UV lamps for rapid field repairs
• Train technicians on UV cure distance and intensity requirements
• Use black feedlines and light-blocking storage containers
• Test substrates for stress cracking before deployment

Manufacture / Aviation Spec Codes

• Manufacturer: Henkel
• Product ID: LOCTITE AA 3341
• Technology: UV/Visible Light Cure Acrylic
• Compliance: ISO 10993 Protocol Qualified

Alternative Names & Descriptions

• Loctite 3341 UV Adhesive
• Henkel AA 3341 Light Cure Adhesive
• Loctite UV Acrylic Plastic Bonder
• Loctite 3341 Medical Device Adhesive
• UV-Cure Flexible Acrylic Adhesive 3341