PTFE (Polytetrafluoroethylene) coated fabric, often fiberglass, is a high-performance material combining a strong woven base with a non-stick, chemically inert PTFE layer, offering exceptional heat resistance (up to 260°C/500°F), low friction, and excellent release properties, making it ideal for industrial belts, release sheets, electrical insulation, and food processing where non-stick, durability, and temperature stability are crucial.