Product Description A lightweight, and durable fabric, DuPont Tychem QC utilizes the strength of DuPont Tyvek fabric and a polyethylene coating. Tychem QC fabric provides at least 30 minutes of protection against 42 chemical challenges. Tychem QC 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. Multiple interlocking threads are sewn around the raw edges of garment material to create a strong, stress-resistance seam From the Manufacturer Different jobs require different levels of protective equipment and clothing. DuPont Personal Protection offers a wide range of protective clothing and accessories to meet those varying needs.