Intertape .5 in. x 520 in. Thread Seal Tape. Made of chemically inert material. Withstands alkalies, acids, oils and solvents. Use on iron, stainless steel, copper, brass, plastic, glass or rubber pipes. Has a temperature resistance of -400°F to 700°F. Constructed of 100% PTE white film. Thickness : 2.9 mils, Elongation : 25%.