LOCTITE® AA 3979 Light Cure Adhesive

Features and Benefits

Transparent, fast light-cure acrylic adhesive gel for medical device bonding and other light-cure applications where the fluorescent properties of substrates may interfere with the detection of adhesives.
LOCTITE® AA 3979 is a 1-part, UV/visible light-cure acrylic adhesive gel that fluoresces red under UV light, making it ideal for medical device bonding applications where the fluorescent properties of the substrates hinder detecting the adhesives. It has a gel viscosity to fill large gaps and to prevent migration following application.
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Technical Information

Agency approvals / certificates / specifications ISO 10993
Applications Medical device assembly
Color Straw, Translucent
Cure type UV cure, Visible cure
Elongation, at break 227.0 %
FEA (finite element analysis) Finite strain, Viscoelastic
Key characteristics Cure speed: fast cure, Flexible, Fluorescent, Viscosity: high viscosity
Number of components 1 part
Physical form Liquid
Recommended for use with Polycarbonate, Polyvinyl chloride (PVC)
Shear strength, Polycarbonate to PVC 1685.0 psi
Shear strength, Polycarbonate to Polycarbonate 4320.0 psi