High-performance polymer material made by molding and turning processes from PTFE sheet. It is resistant to extreme temperatures (-180℃ to 260℃), corrosion-resistant, features a low coefficient of friction and non-stick properties, and has strong insulation and excellent stability. Widely applicable, it can be used as industrial sealing parts, mechanical sliding components, lining for chemical equipment, and is also suitable for food processing, medical instruments, and electronic equipment insulation. It is adaptable to various harsh working conditions, making it a practical and stable engineering material.