Henkel LOCTITE-AA-3921 (1-LTR-BOTTLE)
UV ACRYLIC BONDING ADHESIVE (1-LTR-BOTTLE)
AERO P/N: 117019
Hazardous Material
Total Available Stock: 0
UK
USA
Available On Request
Available On Request
$1538.68 excl VAT
Introducing LOCTITE AA 3921, a fast-curing UV acrylic adhesive offering strong, flexible bonds for glass, plastics, and metals. One-component, easy-to-use, and sterilization-resistant, its ideal for medical device assembly, ensuring precision, reliability, and efficient production.
Product Features
OEM
-
OEM Part No.
-
Colour
-
Shelf Life in Months
24
Shelf Life in Days
720
UN No
UN3082
Class
-
PG
-
ECCN
EAR99
Country of Origin
United States
Commodity Code
35061000
Product Type
Adhesives
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Information
Additional Product Information
Overview
LOCTITE AA 3921 is a high-performance UV-curable acrylic adhesive widely used in aviation and MRO environments. Its fast-curing, flexible, and highly adhesive properties make it ideal for bonding glass, plastics, and metals. Teams rely on this adhesive for precise assembly, rapid production, and reliable performance under sterilization and thermal stress.
Key Technical Specs for LOCTITE AA 3921
- Type: UV-curable acrylic adhesive
- Appearance: Transparent to hazy liquid, free of undissolved solids
- Viscosity: Low (Brookfield RVT, 25 C, 80 220 cP)
- Cure/Working Time: Cures in seconds under UV/visible light depending on intensity; tack free >60 sec
- Tensile/Peel Strength: Up to 21.1 N/mm on polycarbonate, 16.5 N/mm on steel to glass
- Shore Hardness: D 67
- Service Temperature: Up to 100 C short-term exposure; thermal and sterilization resistant
- Typical Uses: Bonding stainless steel cannulae into hubs, syringes, lancets; assembly of disposable medical devices
- Shelf Life: Store 8 C 21 C in unopened container; avoid prolonged exposure below 8 C or above 28 C
Approvals & Specifications
- ISO 10993 compliant for medical device use
- Henkel quality program-certified
Typical Aircraft MRO / AOG Applications
- Fast-bonding of instrument panel components
- Assembly of sensors, plastic housings, and light covers
- Bonding precision parts where rapid fixture is required
Compatibility & Safety Notes
- Compatible with glass, plastics (ABS, polycarbonate, acrylic, plasma-treated polyethylene), and metals
- Not recommended for pure oxygen or strong oxidizers (chlorine)
- PPE: Use gloves and eye protection; avoid skin contact
- Minimize exposure to light during handling and storage
- Clean bond surfaces to remove grease before application
Packaging & Procurement
- Available in standard industrial sizes; consult Henkel for market pack options
- Easy dispensing via applicators with black feedlines
- Store in dry location, unopened container
Why LOCTITE AA 3921 is Chosen for AOG / MRO
- Rapid UV curing accelerates assembly timelines
- High adhesion and flexibility ensure durable bonds under stress
- Fluorescence allows easy inspection of bonded areas
- Versatile across multiple substrates and sterilization conditions
Practical Suggestions for Your Team (AOG Mindset)
- Stock in controlled temperature storage (8 C 21 C) to maintain performance
- Use proper dispensing tools to minimize waste and ensure precise application
- Train staff on UV curing procedures and bond inspection under black light
- Allow cooled bonding surfaces before applying mechanical load
Manufacture / Aviation Spec Codes
- Manufacturer: Henkel Corporation
- Product ID: LOCTITE AA 3921
- ISO 10993 certified; Henkel Quality Protocol compliant
Alternative Names & Descriptions
- Henkel LOCTITE AA 3921
- UV Acrylic Adhesive AA 3921
- Medical Device UV Adhesive AA 3921
- AA 3921 Bonding Adhesive
- LOCTITE UV-Curable Acrylic 3921
Restrictions
Restrictions
Restricted
Hazardous
Yes
Dry Ice
No
Precursor Licence
Export Licence
FEDEX Restriction
Supplier Disruption
no
Recommended Alternatives
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Shipping Information
- Orders over £100 online are eligible for FREE UK Mainland delivery.
- Collection for orders is available for all customers. At Checkout, please select 'Ex-Works/Collection'.
- European Delivery is available for selected countries. Shipping costs will be calculated according to the weight of the products.
- Refrigerated shipping required for shipments going by sea or exceeding 7 days transit time.
- For additional information, please see our shipping page.