Thread seal tape (also known as PTFE tape or plumber's tape) is a polytetrafluoroethylene (PTFE) film for use in sealing pipe threads. The tape is sold cut to specific widths and wound on a spool, making it easy to wind around pipe threads. Material: PTFE Color: White Tape Width: Approx. 18mm Tape Thickness: Approx. 0.1mm Sealing temperature: -200℃ to 250℃ Features:Brand new and high quality;Non-toxic and non-flammable;Easy to use and have good tightness;Good adhesion and corrosion resistance;Mainly used as thread sealer of pipe, pipelines.