Polytetrafluoroethylene (abbreviated as PTFE), commonly referred to as “non-stick coating” or “easy to clean materials.” This material is resistant to acids, alkali and various organic solvents and is almost insoluble in all solvents. Meanwhile, PTFE has the characteristics of high temperature resistance, and its friction coefficient is extremely low, so it can be used as a lubricant for lubricating the inner layer of the water pipe.
On October 27, 2017, the World Health Organization’s International Agency for Research on Cancer published a preliminary list of carcinogens, telomeres in the list of three types of carcinogens.