1/2"x520" High Density Special Service Colors PTFE Thread Seal tape that is 3.5 mils thick and meets MIL-T-27730A that is the ideal solution for sealing threaded pipe connections up to 2" in diameter. This thread sealant tape provides a tight seal while providing natural lubrication to prevent damaging the threads. Made of 100% PTFE that is resistant to most common chemicals, and is reated for temperatures from -450 deg F to +550 deg F. Made in the USA. (144 rls./cs.) 1 case minimum order. ($2.52/rl.) Usually drop ships in 1-2 days.