Gasoila Nickel PTFE High Density Thred Tape Roll, -450 to 550 Degree F Performance Temperature, For Stainless Steel, 4.3 mil Thick, 260" Length, 1/2" Width Meets MIL Spec MIL - T-27730A Thickness is 4.3 milli-inches Density is 1.25 - 1.55 gram per cubic centimeter Helps prevent seizing and galling Tensile minimum PSI - 1600