Our new line of BLUE SEAL PTFE Thread Seal Tape is now avaialble on the market. This rugged multi-purpose tape comes on a 1368" long super roll*, and is twice the density of standard thread seal tapes. This product is great for stubborn, hard to seal threads. It also requires less passes over the threads to get a good seal, making our new super roll last te user up to three times longer! BLUE SEAL PTFE Thread Seal Tape is made from virgin PTFE and exceeds MIL Spec T-27730A standards. BLUE SEAL PTFE Thread Seal Tape has a temperature range of -450F to +550F. It is available in 1/2", 3/4", and 1" wide spools for your convenience.