Applications

LOCTITE® AA 3922™ – Adhesive – Medical Device Assembly

• Item Name: LOCTITE® AA 3922™
• Manufacturer: Henkel
• Technologies: UV Acrylic
• Color: Transparent to hazy liquid
• Cure Type: Ultraviolet (UV) / Visible light
• Package Size: Contact to Avantek for details.
• Shelf Life: Contact to Avantek for details.

1. Product Overview

LOCTITE® AA 3922™ is a one-component, UV/visible light-curing acrylic adhesive designed for high-speed production. It exhibits excellent adhesion to glass, plastics, and metals and is suitable for applications requiring flexibility, fast curing, and autoclave resistance. The adhesive fluoresces under UV light for inspection and is ISO 10993 tested for biocompatibility, making it ideal for medical device assembly.

2. Applications

  • Bonding stainless steel cannulae into hubs, syringes, and lancets
  • Suitable for disposable medical devices
  • Adhesion to glass, plastics, and metals
  • High-speed production processes requiring UV curing

3. Typical Properties

Property Value
Uncured Properties
Chemical Type UV Acrylic
Appearance Transparent to hazy liquid
Fluorescence Positive under UV light
Specific Gravity @ 25°C 1.04
Viscosity (25°C, 1000 s⁻¹) 150 – 450 mPa·s (cP)
Curing Properties
UV Fixture Time (≤10 sec) 6 mW/cm² @ 365 nm
Tack-Free Time >60 sec @ 30 mW/cm²
Depth of Cure Up to 14 mm @ 100 mW/cm²
Cured Properties
Glass Transition Temperature (Tg) 75°C
Shore Hardness (D) 66
Elongation at Break 135%
Tensile Strength 18 N/mm² (2600 psi)
Tensile Modulus 630 N/mm² (92,000 psi)
Adhesive Performance
Needle Pullout Strength (22G, Polycarbonate) 205 N (46 lb)
Needle Pullout Strength (22G, Polypropylene – Plasma Treated) 220 N (50 lb)
Block Shear Strength (Acrylic to Acrylic) 7.0 N/mm² (1000 psi)
Block Shear Strength (Aluminum to Glass) 14.5 N/mm² (2100 psi)
Environmental Resistance
Heat Aging (1000h @ 100°C) 50% strength retention
Water Immersion (7 days @ 22°C) 14.2% water absorption
Sterilization Resistance Gamma, ETO, Autoclave up to 5 cycles

Everwide FX244-1: High Performance for Precision Molding

FX244-1 A specialized two-part silicone rubber designed for creating high-precision molds. This material features a unique oil-bleeding property that creates a self-releasing surface, eliminating the need for external non-stick sprays during demolding.

Henkel Loctite SI 5910: Flexible Silicone Gasket Sealant || Avantek Viet Nam – Your Reliable Supply Partner

Partial Gasket & Seal Strategies Using Henkel Loctite SI 5910

Gasket sealing is a core part of many industrial assembly and maintenance operations — from automotive engine housings to HVAC covers and machinery flanges. When selecting a gasketing solution, you need something that forms reliably in place, resists movement and fluids, and simplifies application — which is where Henkel Loctite SI 5910 fits perfectly

RELATED PRODUCT

Contact Technical Support

Leave your information or contact via Hotline, our Customer Support Technical team will contact you immediately! 

(+84) 944 415 762

(+84) 889 901 929

Our operators are ready to assist from 8:30 AM to 5:30 PM (GMT+7).
For requests outside of the above hours, please submit the request form.