High-performance polymer material formed by molding and turning processes from PTFE sheets. It withstands extreme temperatures (-180℃ to 260℃), is corrosion-resistant, has a low friction coefficient and is non-stick, with strong insulation and excellent stability. Its applications are extensive, serving as industrial sealing parts, mechanical sliding components, and lining for chemical equipment. It is also suitable for food processing, medical instruments, and electronic equipment insulation. It can accommodate various stringent working conditions and is a practical and stable engineering material.