LOCTITE® AA 3942 Light Cure Adhesive

Features and Benefits

UV acrylic fluorescent liquid adhesive used in applications requiring fast cure, flexibility, high adhesion and autoclave resistance.
LOCTITE® AA 3942 is a transparent to hazy UV acrylic fluorescent liquid adhesive used in applications requiring fast cure, flexibility, high adhesion and autoclave resistance. It cures in seconds when exposed to light and has excellent adhesion to glass, plastics and metal. It is suitable for use in the assembly of disposable medical devices and achieves exceptional needle pull strengths on most hub substrates.
  • Qualified to Henkel's ISO 10993 Protocol
  • Suitable for use in the assembly of disposable medical devices
  • Free of undissolved solids
  • Specifically designed for bonding stainless steel cannulae into hubs, syringes and lancets for needle assemblies
  • Cures in seconds
  • Achieves excellent adhesion to glass, plastics and metal
  • Fluoresces under black light to facilitate the inspection of bonded assemblies
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Technical Information

Agency approvals / certificates / specifications ISO 10993
Applications Bonding Plastic, Medical Device Assembly, Structural Bonding
Color Clear, Hazy
Cure type UV Cure, Visible Cure
Elongation, at break 15.0 %
Key characteristics Biocompatible, Flexible, Viscosity: Medium Viscosity
Number of components 1 Part
Physical form Liquid
Recommended for use with Glass, Metal, Thermoplastic, Thermoset
Shear strength, Polycarbonate to Polycarbonate 1610.0 psi
Shear strength, Steel (grit blasted) to Glass 2110.0 psi
Viscosity, Brookfield - RVT, @ 25.0 °C Spindle 2, speed 20 rpm 900.0 - 1600.0 mPa·s (cP)