... 2.Heat-sealing. 3.Heat-resistant electrical insulation. PTFE coated fiberglass fabric based coated with silicone adhesibe tape have a good heat-resistance.Also ... and non-adhesiveness.Features:Top side provide good characteristics of PTFE,such as electrical characteristics,heat resistance,chemical resistance,low ... .Can smoothly adhere,wind,band and seal. Heat-resistance PTFE Silicone Adhesive Tape