Heat Sealing Resistance Silicone Adhesive PTFE Tape is a special tape product that has excellent high-temperature resistance, sealing performance, anti adhesion, and chemical stability.Material: Mainly composed of PTFE (polytetrafluoroethylene) film and silicone adhesive. PTFE is a material with extremely high chemical stability and temperature resistance, while silicone adhesive provides excellent bonding performance and high temperature resistance.Adhesive type: Generally single-sided adhesive with pressure-sensitive adhesive properties.