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