Virgin PTFE is a higher grade, pure material, and is more expensive. It is made with no recycled material added. It is chemically inert up to 500ºF, the best chemically resistant material available. Virgin has better physical properties and retains flexibility in low temperatures. It is a good electrical insulator, with high dielectric properties. It is FDA approved and is used in the pharmaceutical, food and beverage, and cosmetics industries. It is often used for medical or electrical applications. Virgin has better friction characteristics, which may be important in some applications.