Sealing
Thread sealants fill the microscopic gaps between the threads of mating components, preventing fluid from escaping through these gaps.
Anti-Galling
Thread sealants can help prevent galling, which is a form of wear caused by friction between the threads of two metal components. This wear can lead to thread damage and leaks.
Lubrication
Thread sealants often contain lubricating components that make it easier to tighten threads without causing damage.
Anti-Corrosion
Some thread sealants include anti-corrosion agents that help protect the threaded connection from the effects of corrosive fluids.