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Henkel’s Light Cure Acrylic Adhesive Offers Faster Processing for Spiral Wound Filters

Published on 2016-09-29. Author : SpecialChem

ROCKY HILL, Conn. -- Henkel has introduced a new method for protecting the membrane folds in spiral wound filtration elements: LOCTITE® 3921™ light cure acrylic adhesive, which offers improved fold protection with faster processing.

LED Light Curing Reduces Work in Process

Loctite 3921 Light Cure Adhesive, Plastic/Metal
Loctite 3921 Light Cure Adhesive, Plastic/Metal

LOCTITE 3921 dispenses and cures in less than 10 seconds, offering a significant advantage for spiral wound membrane producers. It reduces expensive work in process and messy, wasteful two-component polyurethane systems. Alternate methods of fold protection, such as thermoplastic tapes or two-component polyurethanes, have process and performance limitations. LOCTITE 3921 light cure acrylic provides both faster speed and high performance.

Another advantage of LOCTITE 3921 is its ability to cure under LED light, rather than ultraviolet light, to offer superior membrane fold protection. LED light curing is less expensive and less cumbersome than UV curing and does not require special safety equipment.

Properties of Loctite 3921

  • Low viscosity
  • Fluorescing
  • UV/V light cure adhesive


  • Applications that require fast cure and high adhesion to plasticized materials
  • For bonding stainless steel cannulae into hubs, syringes and lancets for needle assemblies
  • ISO-10993 Biological Tested for medical device use

LOCTITE 3921 offers excellent performance characteristics, including flexibility, penetration, adhesion, and chemical resistance. It also carries select agency approvals for water, dairy, food and beverage applications.

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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