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Sorona

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description Sorona Overview

Sorona is a high-performance fiber brand developed by DuPont, classified chemically as a polytrimethylene terephthalate (PTT) polymer. It is partially bio-based, utilizing plant-derived ingredients such as industrial corn to replace a significant portion of the petroleum traditionally required for similar synthetics. In the textile industry, it is utilized in carpets and apparel to provide distinct material properties like softness, natural stretch recovery, and stain resistance. Manufacturers frequently incorporate Sorona to create durable, versatile fabrics for activewear, swimwear, and residential carpets.

help Sorona FAQ

What is Sorona made from?

Sorona is DuPont's fiber brand based on polytrimethylene terephthalate, or PTT, a polymer used in textiles and carpets. It is not a natural fiber, but a synthetic fiber with a partly plant-based feedstock. [DuPont](https://www.dupont.pl/fabrics-fibers-and-nonwovens/fibres.html)

Is Sorona completely plant-based?

No, Sorona is only partly bio-based rather than 100 percent plant-derived. Sorona says its polymer contains 37 percent annually renewable plant-based ingredients by weight. [Sorona](https://sorona.com/press-releases/soronar-celebrates-20th-anniversary-of-first-commercial-run)

What is Sorona used for besides clothing?

It is used in carpets, automotive interiors, and other performance fabrics as well as apparel. DuPont describes Sorona as an eco-fiber for carpet, apparel, and automotive interior applications. [DuPont](https://www.dupont.pl/fabrics-fibers-and-nonwovens/fibres.html)

Why do clothing brands use Sorona instead of ordinary polyester?

Sorona is marketed for stretch recovery, wrinkle resistance, breathability, durability, and comfort, so the selling point is performance as well as partial renewable content. Its PTT chemistry also distinguishes it from standard polyester, even though both are synthetic fibers. [Sorona](https://sorona.com/fileadmin/user_upload/News_and_press_releases/FINAL_R-Sorona_Trends_Report_PressRelease_Wire_07282026.pdf)

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