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Henkel Adhesive Technologies

Henkel Adhesive Technologies

Loctite Technology Cluster Brand for Product Detail Pages

Light curing adhesives


Very high viscosity, medical-grade light-cure adhesive

Transparent, 1-part, very high viscosity, fast cure, acrylic-based instant adhesive for stress-sensitive plastics with high, on-demand curing speed.

All marks used are trademarks and/or registered trademarks of Henkel and its affiliates in the US, Germany, and elsewhere.

Part no. (SKU/IDH)

LOCTITE® AA 3321, 25 ml Syringe



LOCTITE® AA 3321 is a general purpose, transparent, light-cured acrylic-based instant adhesive, suitable for metals and stress-sensitive plastics. It is very high viscosity, has a fixture time of just 12 seconds, a tack-free time of >30 seconds, and depth of cure of >13 mm (0.5").  

Product category:

Light curing adhesives




Key characteristics:

Wavelength for cure: UV / VIS

Viscosity, Brookfield - RVT, @ 25.0 °C:

3500.0 mPa·s (cP) - 7500.0 mPa·s (cP)

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