Cesa™ WithStand™ SX Low Haze Antimicrobial Additives Now Available for Clear Plastic Applications

February 3, 2025

Cesa™ WithStand™ SX Low Haze Antimicrobial Additives by Avient offer protection against the growth of bacteria, mold, or fungi and maintain visual clarity, even with the use of recycled materials.

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CLEVELAND – February 3, 2025 – Avient Corporation, an innovator of materials solutions, today announced the availability of Cesa™ WithStand™ SX Low Haze Antimicrobial Additives for clear polycarbonate and plexiglass applications. This patent-pending next-generation formula is especially useful for products incorporating recycled resin.

Cesa WithStand SX additives can help preserve visual clarity and aesthetics in finished plastic parts while offering protection against bacterial, mold, and fungal growth. By limiting microbial growth in plastic parts, this additive can reduce unwanted odor, staining, and discoloration, helping the plastic parts maintain a “like new” look for an extended period.

“Our patent-pending formulation solves a long-standing challenge,” said Felipe Reichert, Global Marketing Director for Color, Additives, and Inks at Avient. “Traditional antimicrobials often cause opacity or hazing in polycarbonate or acrylic. This is especially true in applications using recycled content. Cesa WithStand SX, however, helps maintain clarity and protects against haze.”

Cesa WithStand SX additives can be used in various processes, including extrusion, injection molding, blow molding, and thermoforming. It is currently available in the U.S. and Canada.

About Avient

Our purpose at Avient Corporation (NYSE: AVNT) is to be an innovator of materials solutions that help our customers succeed, while enabling a sustainable world. Our local touch and customer engagement, combined with our global presence, allows us to serve customers with agility. We harness the collective strength of 9,000 employees worldwide to collaborate and build on each other’s ideas. In doing so, we innovate solutions that help our customers overcome their challenges or capitalize on opportunities provided by the fast-changing world and secular trends. Our expanding portfolio of offerings includes colorants, advanced composites, functional additives, engineered materials, and Dyneema®, the world’s strongest fiber™. By intersecting our broad portfolio of technologies with the product roadmaps of our customers, we help create differentiated and high-performance products that make the world better and more sustainable. Visit www.avient.com to learn more.  

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Media Contact
Nicole DeChant
Avient Corporation
nicole.dechant@avient.com