ITW Formex Celebrates 40th Anniversary – A Legacy of Innovation in Electrical Insulation Materials

April 24, 2025 – Carol Stream, IL 
ITW Formex, a pioneer in flame retardant electrical insulation, proudly announces the celebration of its 40th anniversary. Established in 1985, Formex has consistently exemplified excellence in protecting people, power, and equipment through its industry-leading flame retardant electrical insulation product solutions. 

Over the past four decades, Formex has achieved numerous milestones that have shaped the flame retardant electrical insulation landscape. Some highlights include the invention of Formex GK known as the legendary “living hinge” of electrical insulators, the creation of multi-layer insulation films that enable reinforced insulation alternatives, and the recent innovation of Formex TCI which offers a unique thermal management solution to electrical applications. These accomplishments underscore our unwavering commitment to excellence, quality, and innovation. 

Our enduring relationships with channel partners and customers have played a pivotal role in this remarkable 40-year journey. We express our sincere gratitude to all those whose trust and collaboration have been integral to our success. 

As we celebrate our 40th anniversary, Formex remains poised for the future. We are committed to embracing evolving technical challenges, fostering innovation, and continuing to provide exceptional value to our customers. Together, we look forward to the next chapter of growth and success.