What is PTFE tape for gas?

Update:21-05-2020
Summary:

Using PTFE thread sealing tape for gas fittings is very […]

Using PTFE thread sealing tape for gas fittings is very common, but it’s vital to select the right product for the job. This is one instance where the casual shorthand ‘plumber’s tape’ for all types of PTFE tape becomes unhelpful: in proper usage, it should only and specifically refer to PTFE materials graded for application in water systems.12mm Teflon Tape Manufacturers

 

 

 

Gas-rated PTFE thread seal tape is widely available, but it tends to be thicker and denser than standard PTFE tape for use in liquid plumbing environments. The latter can be prone to degradation and leaking if used inappropriately for gas pipelines, as it tends to be more porous. This is usually as a result of having been stretched thinner during the manufacturing process than the more heavy-duty PTFE tapes for natural gas ducting joints