Temperature Resistance: PPSU excels with a high continuous operating temperature of up to 180°C, making it ideal for applications requiring heat resistance such as hot water systems and medical sterilization equipment. PA typically withstands temperatures up to 80-120°C, limiting its use in high-temperature environments.
Mechanical Strength: PPSU offers exceptional mechanical strength and toughness, surpassing many plastics in bending and tensile strength. It is preferred for applications needing high durability and impact resistance, such as automotive components and industrial equipment parts. PA also has good mechanical properties but generally falls short compared to PPSU in demanding applications.
Chemical Resistance: Both materials exhibit good chemical resistance against acids, alkalis, and various solvents. PPSU tends to have superior resistance to a broader range of chemicals, making it suitable for use in chemical processing equipment and medical devices where exposure to harsh chemicals is common.
Cost and Availability: PA is typically more cost-effective than PPSU, which can influence material selection, especially in large-scale or cost-sensitive projects. However, the higher performance and durability of PPSU may justify the investment in applications where reliability and longevity are critical.
In conclusion, choose PPSU for applications requiring high temperature resistance, excellent mechanical properties, and superior chemical resistance. Opt for PA when cost-effectiveness and adequate performance at lower temperatures are sufficient for the application. Ultimately, the decision should be based on specific technical requirements, environmental conditions, and economic considerations to ensure the most suitable material is selected for your project.
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