Whether PTFE tape is harmful to the human body

Update:20-09-2019
Summary:

The use of Teflon tape within the permissible range doe […]

The use of Teflon tape within the permissible range does not cause any harm to the human body and can be used with confidence.
The specifications of the Teflon high-temperature tapeChina Yellow PTFE Tape indicate that the maximum operating temperature is 260 degrees Celsius. In actual use, more than 260 degrees will affect the production line, so it is generally not used above 260 degrees Celsius. This piece is also excluded. High-temperature silica gel is also a substance that has no effect on the human body.