IPG Thread Seal Tape is made of chemically inert material. Withstands alkalis, acids, oils and solvents. Use on iron, stainless steel, copper, brass, plastic, glass or rubber pipes. Constructed of 100% virgin PTFE white film. Has a temperature resistance of -400°F to 700°F. IPG manufactures a broad range of packaging products and systems that reflect the needs of both its industrial and retail customers. These include: pressure sensitive and water-activated, carton-sealing, masking, filament, flatback, cloth/duct, double-coated, high performance specialty, electrical, automotive, and HVAC tapes. Additional products include shrink film and stretch film as well as carton-sealing equipment, ink jet printing systems and labeling systems.