1/2 x 1368 Polytetrafluoroethylene Blue Seal TapeThe 1 2 x 1368 Polytetrafluoroethylene Blue Seal Tape is designed to tightly seal pipes and fittings, preventing leaks in plumbing, gas, and industrial applications. With twice the density of standard tapes, it uses less passes and lasts longer. Made from high quality PTFE (Polytetrafluoroethylene), this tape is chemically resistant, durable, and can handle extreme temperatures, ensuring a long lasting seal for your connections. Specification Value