Loctite AA 3556 Indigo Light Cure Adhesive

(Known as LOCTITE 3556 )

Light-cure acrylic-based adhesive. Ideal for coloured, transparent plastics. Depth of cure >13 mm. Qualified for medical applications.

LOCTITE® AA 3556™ Indigo™ is a high viscosity, fluorescing, visible light cure adhesive specifically designed to cure within the visible light spectrum. Ideal for large depth potting, bonding of a wide variety of clear and transluscent plastics and metals. ISO-10993 Biological Tested for medical device use. Adhesive for fiber optic components.


Loctite® Indigo™ Light Cure Adhesives
> Learn More About Indigo Light Cure Adhesives
> Features and Benefits
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> View or download the Loctite® Indigo™ Brochure (LT-4366)

Your benefits

  • Highly suited to coloured, transparent plastics
  • Deep cure facilitates potting applications
  • Fluoresces under black light
  • ISO 10993 qualified

Technical Data Sheets (TDS)

Loctite AA 3556 (Loctite 3556)

Product information

IDH# Item Name Size
Case Quantity
Safety Data Sheets
1072222 1072222 LOCTITE AA 3556
1 l bottle
1 / case
1072223 1072223 LOCTITE AA 3556
25 ml syringe
10 / case