Foreverseal PTFE White Plumbers Tape,is the ideal solution for sealing threaded metal and plastic pipe connections up to 2" diameter. Our thread seal tape provides a tight seal while providing natural lubrication to prevent galling of the threads. Made of 100% virgin PTFE, it is resistant to most common chemicals, and is rated for temperatures from -400 deg F to +500 deg F. Our tapes can be used in general purpose applications such as water and air, or difficult applications such as acids and pure oxygen.It's suitable for all type of threaded fitting including water,steam,air,chemical,medical and food processing where non-contamination standards are high.