LOCTITE® AA 3921: Fast-Curing, Flexible Medical-Grade Adhesive
LOCTITE® AA 3921 is a low-viscosity, light-curable acrylic adhesive designed for rapid bonding in medical device assembly, particularly those involving stress-sensitive plastics.
Ideal for:
- Fast Curing: Achieves strong, flexible bonds in seconds with light exposure.
- Stress-Sensitive Plastics: Bonds effectively without damaging delicate materials.
- Metals, Glass & Ceramics: Versatile adhesion for various substrates.
Key Features:
- Rapid Cure: Bonds in seconds using light, ideal for high-volume production.
- Flexible Bonds: Maintains flexibility in the bonded area to withstand stress.
- Biocompatible: Meets ISO 10993 standards for safe use in medical devices.
- Low Viscosity: Well-suited for post-assembly dispensing and tight spaces.
- Broad Adhesion: Bonds to a variety of materials, including metals, glass, and ceramics.
Applications:
- Disposable medical device assembly, especially for stress-sensitive plastics.
- Bonding cannulae into hubs, syringes, and lancets.
| Technology | Acrylic |
| Chemical Type | UV acrylic |
| Appearance (uncured) | Transparent to hazy liquid, Free of undissolved solids |
| Fluorescence | Positive under UV light |
| Components | One component – requires no mixing |
| Viscosity | Low |
| Cure | Ultraviolet (UV) / Visible light |
| Cure Benefit | Production – high speed curing |
| Application | Bonding |
