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1/2 x 520-Inch PTFE Thread Seal Tape
1/2" x 520", PTFE Thread Seal Tape, Made Of Virgin White Teflon, .4 Density, .003" Thick, Temperature Range -400 Degree Fahrenheit To 500 Degree Fahrenheit, Provides A Strong Tight Seal For Any Threaded Joint, Meets Mil Specification T-27730a.