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PTFE (Polytetrafluoroethylene) Thread Tape
Brand: IMAC Systems, Inc
IMAC offers Unasco yellow gas seal tape and silver stainless steel tape.
The yellow gas seal tape is a superior, high density PTFE (Polytetrafluoroethylene) thread sealant tape specially developed for use in the natural gas industry.
It may also be used in many other hydrocarbon applications.
The stainless steel tape is specifically designed for stainless steel fittings; PTFE (Polytetrafluoroethylene) has been impregnated with nickel powder.
This material acts like a bearing plate and helps to minimize galling and seizing from metal to metal contact.
Recommended primarily for SST threads, but is also compatible with galvanized steel, iron, brass, copper, aluminum and various plastics.
It is particularly useful in high pressure applications where high torque is used on small fittings.
Low quality thread tapes are also made with PTFE (Polytetrafluoroethylene) but they are stretched after extrusion.
The resulting product is much thinner and full of air holes as shown in the electronic microscope photographs.
The thin, stretched tape shreds, requires many wraps, and the longitudinal tears permit slow seepage of odorants and distillates even though the fitting is bubble tight.
Unasco Gas Seal Tape is unstretched and much denser, eliminating all these problems.
It also maintains its natural resilience allowing it to continue sealing even when threads slightly loosen.
The yellow color clearly identifies its presence.