How do they make dental floss?

Dental floss is commonly made out of one of two polymers (synthetic compounds), either nylon or Teflon. Nylon is defined as a fiber-forming substance of a long-chain synthetic polyamide. A polyamide is a compound characterized by more than one amide group; an amide is a chemical related to ammonia. Teflon is the trade name of the polymer polytetrafluoroethylene, or PTFE. Other raw materials are the coatings, which may be wax, flavors, and various proprietary ingredients which vary with the manufacturer.