Dixon Sanitary TTA50SS Stainless Steel PTFE Tape is 4 mil thick (0.004 mm) and comes in a 1/2" wide x 260" long roll. This thread seal tape has nickel added which works as an anti-seize in addition to a sealant. No more galling or seizing of threaded stainless steel connections. For use in systems maintaining temperatures between -58°F and 600°F (-50°C and 315°C). For use on threaded joints of metal pipe not exceeding 1-1/2" NPS. Compatible with gasoline, petroleum oils, propane, butane, and natural gas. Not for pressures over 300 psig.