DuPont™ Sorona® contains 37% renewably sourced material (by weight) derived from corn. A breakthrough in polymer science, the key ingredient in Sorona® is DuPont Tate & Lyle Susterra™ renewably sourced™ propanediol, which replaces petroleum-based 1,3-propanediol. Sorona® is an advanced material that offers a unique combination of attributes that are beneficial in a wide variety of applications. Whether it is textile fibers and fabrics for home interiors and apparel, carpeting, or a variety of packaging applications such as films, sealants, foams, and rigid containers, Sorona® imparts distinctive, value-added characteristics. Sorona® is commercially available.