PTFE tape with a chemical name polytetrafluoroethylene, which is commonly used in plumbing area plain white teflon tape, and gas pipelines also have special teflon tape. In fact, the main raw material is polytetrafluoroethylene, only the technical processes are not the same. Most of the time, it is used as a water pipe installation aids for pipe connections, enhanced sealing between duct connection. Which mahcine could produce PTFE tape? Yes, it is PTFE teflon tape CNC stretch slitting machine .D&S PTFE teflon tape CNC stretch slitting machine, high efficiency, low energy consumption, high output.