Covation debuts two new biobased fibers for textiles

July 13, 2026 |

In Delaware, Covation Biomaterials has unveiled two new biobased innovations at this year’s Functional Fabric Fair, held recently in New York City. 

Xatryx® bioPTMEG is a second-generation, biobased polyether glycol made from corncobs and is a drop-in replacement for traditional petroleum-based polytetramethylene ether glycol. Downstream customers can switch to Xatryx without process or production changes for performance apparel applications that traditionally use spandex, polyurethanes, and thermoplastic elastomers. Commercial production is expected to begin in the second half of 2026.

Sorona® elasterell-p fiber is the first-of-its-kind U.S.-produced bicomponent stretch fiber made with 37% plant-based Sorona® polymer. The fiber delivers durable stretch and shape retention without the use of elastane and is now commercially available across the U.S. and Latin America with local stock and dedicated customer support through regional distribution partner Mercados Internacionales. Sorona elasterell-p fiber is ideal for activewear, athleisure, workwear, uniforms, and other apparel applications requiring long-lasting comfort and durable stretch performance.

“Together, Xatryx® and Sorona® elasterell-p fiber show how we’re reducing friction and increasing performance for our value chain partners while helping them decrease their environmental impact,” CovationBio CEO Steven Ackerman said in a press statement. 

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Category: Chemicals & Materials

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