Solvay Expands its Range of FusePly® Covalent Bonding Technology for Composite Structures

FusePly® 250, designed for 250°F to 350°F composite bonding, offers uncompromising bond reliability and high part performance

Alpharetta, Georgia, USA, October 10, 2023 - Solvay, a global market leader in specialty materials, has expanded its range of FusePly® chemical bonding technology with a second product, FusePly® 250, designed to bond composite structures at 250°F and higher. The new product complements the previous FusePly® 100 grade, introduced in 2018 which has now been renamed FusePly® 350 to reflect its compatibility with 350°F cure film adhesives. Both grades offer step-change bonding performance and durability and can easily be integrated into existing manufacturing processes as an upgrade for traditional surface preparation methods.

FusePly® is a breakthrough composite bonding technology resulting in covalent bonds between adhesives and composite structures. While it handles and processes like a conventional peel ply product, it creates a reliable chemically functionalized composite surface which eliminates time and labor intensive surface preparation steps and assembly processes.

“The reliability and robustness of bonded structures are a top priority for users of composites in safety critical applications in aerospace and other demanding markets” says Stephen Heinz, VP Research and Innovation for Solvay’s global Composite Materials business unit. “We developed FusePly®, a fundamentally new bonding approach, to meet the needs of leading aircraft OEMs and enable them to take full advantage of composites for lighter, stronger structures.”

FusePly® 250 will officially be launched at the upcoming CAMX Composites and Advanced Materials Expo in Atlanta from October 30 to November 02, where Solvay is exhibiting at Booth W46.

FusePly® is a registered trademark of Solvay.

Reader enquiries

Solvay SA - Corporate Headquarters
1120 Brussels

+32 2 2642111






Notes for editors

About Solvay
Solvay is a science company whose technologies bring benefits to many aspects of daily life. With more than 22,000 employees in 61 countries, Solvay bonds people, ideas and elements to reinvent progress. The Group seeks to create sustainable shared value for all, notably through its Solvay One Planet plan crafted around three pillars: protecting the climate, preserving resources and fostering better life. The Group’s innovative solutions contribute to safer, cleaner, and more sustainable products found in homes, food and consumer goods, planes, cars, batteries, smart devices, health care applications, water and air purification systems. Founded in 1863, Solvay today ranks among the world’s top three companies for the vast majority of its activities and delivered net sales of €13.4 billion in 2022. Learn more at

Related images


Editorial enquiries

Claire Michel
Marketing Communications Director, Materials

+44 (0)7 977 53 04 10


Kim Lommaert

+31 164 317 021





More news from