Applications

LOCTITE® 4310™ – Adhesive – Bonding

Item Name: LOCTITE® 4310™
Manufacturer: Henkel
Technologies: Cyanoacrylate/UV
Color: Transparent, light yellow-green to dark blue-green liquid
Cure Type: Ultraviolet (UV) / Visible light; Secondary Cure: Humidity
Package Size: Contact to Techniq VN for details.
Shelf Life: Contact to Techniq VN for details.

1. Product Overview

LOCTITE® 4310™ is a one-part, UV/visible light-curable cyanoacrylate adhesive designed for bonding plastics, rubbers, and metals. It offers rapid surface curing, minimal blooming, and secondary humidity cure. The product fluoresces under UV light and is suitable for medical device assembly, having been tested per ISO-10993 biocompatibility standards.

2. Applications

  • Bonding plastics, rubbers, and metals
  • Medical device assembly (ISO-10993 tested)
  • Rapid fixturing and fillet/surface curing
  • Alternative to solvent-borne accelerators

3. Typical Properties

Property Value
Uncured Properties
Specific Gravity 1.06
Viscosity (mPa·s) 100 to 250
Curing Properties
Primary Cure Mechanism UV / Visible Light
Secondary Cure Humidity
Depth of Cure (100 mW/cm² @ 365 nm) Measured via different light sources
Fixture Time (on ABS) <5 sec
Fixture Time (on Steel) 20 to 30 sec
Cured Properties
Shore Hardness (D) 84
Glass Transition Temp. 102°C
Tensile Strength (N/mm²) 50 (7,250 psi)
Elongation at Break 7.3%
Adhesive Strength
Polycarbonate Shear Strength ≥9 N/mm² (1,305 psi)
Acrylic to Acrylic 14.4 N/mm² (2,090 psi)
Polycarbonate to Steel 12.6 N/mm² (1,830 psi)
Environmental Resistance
Water & Humidity Resistance 100% strength retention
Heat Aging (60°C, 8 weeks) 50-90% strength retention
Sterilization Resistance (Gamma, ETO, Autoclave) Retains 40-70% strength

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