Advantages:
PTFE works excellently in dry and oil-free environments.
Very high lubricity and inert to most caustic fluids.
It's an excellent electrical insulator, thus, used extensively in printed circuit boards and electrical cables.
Disadvantages:
It cannot be cemented
The price of the polymer is high, which can be an issue for small and medium-sized businesses.
It cannot resist extremely high temperatures and melts at 320-350 °C.