PPSU plastics can withstand temperatures up to 220°C in the short term, up to 180°C in the long term, and can withstand the oil temperature environment of 170 to 180°C. They have good dimensional stability and are resistant to hot water and refrigerants, fuel oil, and fluorine. With such excellent comprehensive characteristics, PPSU can be used to replace materials of metals, ceramics and hard polymers. Typical application advantages of PPSU such as design suitability, low quality parts, crack resistance, reusability, and reusability provide objective savings for the total system. These advantages also explain why PPSU plastics are increasingly used in Preparation and reheating of hot meals, especially for high-pressure parts, which must exhibit high dimensional stability and good mechanical properties in the temperature range from -50°C to +160°C as well as good Electrical insulation, high heat aging resistance, excellent fire resistance, and good resistance to chemical corrosion and hydrolysis. As a structural material, PPSU plastic not only has excellent thermal stability, but also has many other properties that make it an important material for a wide range of applications in the automotive and transportation industries.