DuPont™ Tychem® 2000 Sleeved Apron. Elastic Wrists. 52″ Long. Bound yoke neck w/out Snaps & Waist Ties. Bound Seams. Yellow. A lightweight, and durable fabric, DuPont™ Tychem® 2000 utilizes the strength of DuPont™ Tyvek® fabric and a polyethylene coating. Tychem® 2000 fabric provides at least 30 minutes of protection against 42 chemical challenges. Tychem® 2000 is used for light splash protection in a variety of industrial environments, including petroleum refining, pulp and paper manufacturing, food processing, chemical processing, and pharmaceutical manufacturing.