This 1" x 520' PTFE Tape is a high-quality, contractor-grade tape made from virgin PTFE particles, ensuring excellent stretch and tear properties. With a thickness of 3.5 mil and a density of 0.37 kg/m³, it meets Fed. mil SPEC T-27730A standards for reliable performance. Ideal for threaded connections in pipe assemblies handling gasoline, petroleum oils, natural gas, and butane/propane, it is also safe for potable water and food-grade applications.