DuPont to Introduce Advanced Kalrez® Sealing Innovations for Semiconductor Manufacturing at SEMICON Southeast Asia

Singapore, May 12, 2025 - DuPont (NYSE: DD) is excited to announce its participation in SEMICON Southeast Asia (SEMICON SEA), taking place May 20-22, 2025, in Singapore. At booth L3105, DuPont will showcase the latest offerings of Kalrez® perfluoroelastomer parts specifically designed for semiconductor and electronics applications, aimed at enhancing manufacturing efficiency and operational sustainability.

“Our new Kalrez® product offerings are engineered for enhanced sealing performance, significantly reducing leaks and pumping times,” said Dr. Meredith Dunbar, Kalrez® Global Technology Leader, DuPont. “In our continuous pursuit of sustainability, we have achieved improvements in sealing performance under harsh process conditions, which enable substantial waste reduction. These advancements make Kalrez® seals an ideal choice for the toughest challenges in semiconductor fabs, and also showcase our dedication to delivering high-quality, efficient, and environmentally responsible solutions.”

Highlighting this longstanding commitment to innovation, the Kalrez® brand is proud to celebrate its 50th anniversary this year. This milestone reflects five decades of excellence and dedication to developing high-performance sealing solutions tailored for critical applications in demanding environments. At this year’s SEMICON SEA exhibition, attendees will discover several key advancements, including:

• Kalrez® Bonded Door Seal (BDS): Specifically designed for semiconductor manufacturing equipment, including applications like plasma etching, CVD, and PVD, Kalrez® BDS offers improved sealing performance over conventional O-rings by reducing particle generation, extending seal life, and minimizing maintenance downtime.

• Bonding Methodology: An innovative bonding method developed by DuPont's technology team, allowing Kalrez® components to be fused with other functional materials, creating unique, composite-structured Kalrez® parts.

• Custom Shaped Parts: Kalrez® custom perfluoroelastomer parts can be tailored to unique geometries for specific sealing applications and are available in various shapes and compounds to meet different thermal, chemical, and plasma resistance requirements. Custom parts can be produced as both volume production and prototypes.

DuPont is proud to be driving technological advancements in the Kalrez® product family and providing game-changing solutions to its customers worldwide. All SEMICON SEA attendees are invited to join in celebrating the 50th anniversary of Kalrez® and explore how Kalrez® products can support their innovation programs.

For more information about Kalrez® parts and applications, please visit www.kalrez.com.

About DuPont

DuPont (NYSE: DD) is a global innovation leader with technology-based materials and solutions that help transform industries and everyday life. Our employees apply diverse science and expertise to help customers advance their best ideas and deliver essential innovations in key markets, including electronics, transportation, construction, water, healthcare, and worker safety. More information about the company, its businesses, and solutions can be found at www.dupont.com. Investors can access information included on the Investor Relations section of the website at investors.dupont.com.

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05/12/25

DuPont™, the DuPont Oval Logo, and all trademarks and service marks denoted with ™, ℠ or ® are owned by affiliates of DuPont de Nemours, Inc. unless otherwise noted.  

For further information, contact:

Rebekah Lazar
Semiconductor Technologies Communications Leader
DuPont  
rebekah.l.lazar@dupont.com

Cell: +1-302-509-1859