Dixon Valve TTB75 PTFE Industrial Sealant Tape, -212 to 500 Degree F Temperature Range, 3.5mil Thick, 520" Length, 3/4" Width, White For use in wrapping pipe threads to create air and water tight connections 520" long, 3/4" wide, and 3.5 mil thick for multiple uses Operating temperature range of -212 to +500 degrees F White color PTFE tape Not intended for use with gas pipe