Teflon adhesive tape is a fiberglass fabric impregnated with PTFE dispersion and coated with high-temperature, pressure-sensitive acrylic adhesive. It is very durable and versatile product. The combination of PTFE, fiberglass and high temperature acrylic adhesive allows Teflon adhesive tape to perform in continuous temperatures up to 500F. It is dimensionally stable and resistant to tears, punctures, abrasion and wear. It will not cold flow under heavy loads.