High molecular material made by molding and turning processes from PTFE plates. It features high-temperature and low-temperature resistance, corrosion resistance, low friction coefficient, non-stickiness, and strong insulation. It can operate stably in an environment ranging from -180℃ to 260℃. Its applications are versatile, serving as industrial sealing parts, mechanical sliding components, lining for chemical equipment, and also used in food processing, medical instruments, and electrical equipment insulation. It is a commonly used engineering material that combines practicality and stability, suitable for a variety of stringent working conditions.