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CovationBio introduces bicomponent stretch fiber

EcoNote | July 27, 2026 | By:

Covation Biomaterials LLC (CovationBio®) has introduced Sorona® elasterell-p fiber.Made with partially plant-based Sorona® polymer, it’s the first U.S. produced bicomponent stretch fiber offered by CovationBio. Sorona® elasterell-p fiber is now commercially available through regional distribution partner Mercados Internacionales (MI), across the U.S. and Latin America.

Sorona® elasterell-p fiber offers durable stretch and shape retention without the use of elastane, and offers the added benefit of its bio-based foundation, giving brands the dual benefit of garments that perform and have a lower environmental footprint.

“As a partially bio-based polymer, Sorona® has been an ingredient in innovative textile solutions used by brands worldwide,” says CovationBio CEO Steven Ackerman. “With the introduction of Sorona® elasterell-p fiber, we’re pairing performance and sustainability benefits with a new stretch solution built for what brands need next.”

MI is the regional sales and market development partner for Sorona® in Latin America. Local inventory of Sorona® elasterell-p fiber is now available for a range of apparel applications including activewear, athleisure, workwear, uniforms and other fabrics requiring durable stretch and recovery. Since its debut, Sorona® polymer has grown into a globally recognized ingredient for apparel and home goods. It is used to add softness, stretch, durability, and warm breathability to fabrics across a variety of applications.

Founded in 2022 in Newark, Del., Covation Biomaterials LLC is a global innovator of commercially available high-performance, sustainable materials. Mercados Internacionales (MI) specializes in advanced materials for the textile industry. 

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