Application scenarios：
1. Electrical industry: Polytetrafluoroethylene is widely used as an insulation layer for power and signal lines, as well as a corrosion-resistant coating for electrical components.
2. Chemical industry: used for manufacturing chemical corrosion-resistant pipelines, valves, and chemical container liners, suitable for industrial environments with various acids, bases, and organic solvents.
3. Aerospace: Used for manufacturing high-temperature and wear-resistant components such as bearings and washers, as well as lubrication and sealing of aviation components