This Dixon Valve TTB50 PTFE (polytetrafluoroethylene) sealant tape is 520" long, 1/2" wide, and 3.5 mil thick. The white color tape has an operating temperature range of -212 to +500 degrees F and is suitable for use in wrapping threads to create air and water tight pipe connections (not including gas pipe), such as in water piping or air supply fittings.

Dixon Valve & Coupling Company manufactures pipe and hose fittings and accessories. The company, founded in 1916, is headquartered in Chestertown, MD.