For what purpose is Teflon tape commonly used in plumbing?

Teflon tape, also known as PTFE tape, is primarily used to seal threaded connections in plumbing. When threaded metal fittings are joined together, there can be gaps between the threads where leaks may occur. The application of Teflon tape creates a tight seal by filling these gaps, preventing water or gas from escaping. This tape is effective because of its non-adhesive nature, which allows it to be wrapped around threads without leaving residue while still providing a water-resistant barrier.

Utilizing Teflon tape on connections helps ensure a leak-free assembly, which is crucial in maintaining the integrity of plumbing systems. Its ability to withstand high pressures and temperatures makes it especially suitable for a variety of plumbing applications. Other options, such as bonding pipes together or insulating them, do not accurately describe the function of Teflon tape within plumbing systems.