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New Fluorescent Adhesive for Instant Bonding Applications of Medical Devices: Henkel

Published on 2016-09-30. Author : SpecialChem

ROCKY HILL, Conn. -- Henkel has developed a new highly flexible instant adhesive, LOCTITE 4902FL, with fluorescence for detection in cured and uncured states. It bonds reliably to plastics, rubbers, metals and other substrates and provides rapid fixture speed combined with high bond strength.

Highly Flexible Cyanoacrylate with Higher Elongation

LOCTITE 4902 Instant Adhesive


Properties of LOCTITE 4902FL


  • High-flexibility
  • Instant Fixture speeds
  • High-bond strengths
  • Fluorescence for detection

The fluorescence in LOCTITE 4902FL allows the user to verify that the adhesive has been applied to the assembly correctly, and determine if there are any adhesive voids in the bondline. A simple black light can be used to detect the fluorescent adhesive.

LOCTITE 4902FL is designed for use on close-fitting, flexible parts and can easily bond dissimilar substrates from plastics to elastomers, making it suitable for the assembly of flexible medical devices. The flexibility of LOCTITE 4902FL rivals that of acrylic and urethane adhesives. Testing of LOCTITE 4902FL to the Henkel ISO 10993 biocompatibility protocol is in process.

LOCTITE 4902FL is available in 20-gram and 1-pound packages. LOCTITE® 770™ or LOCTITE® 7701™ primers can be used to enhance bond strength on difficult-to-bond substrates such as polyethylene or polypropylene.

About Henkel

Henkel operates worldwide with leading brands and technologies in three business areas: Laundry & Home Care, Beauty Care and Adhesive Technologies. Founded in 1876, Henkel holds globally leading market positions both in the consumer and industrial businesses with well-known brands such as Persil, Schwarzkopf and Loctite. Henkel employs almost 50,000 people and reported sales of 18.1 billion euros and adjusted operating profit of 2.9 billion euros in fiscal 2015. Henkel’s preferred shares are listed in the German stock index DAX.

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Source: Henkel
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