PPSU Plastic (Polyphenylsulfone) Selection Guide

Features of PPSU

Advantages

• High Heat Resistance: PPSU can withstand high temperatures, making it suitable for use in applications exposed to heat and steam sterilization.

• Excellent Chemical Resistance: PPSU is highly resistant to a wide range of chemicals, acids, bases, and solvents, making it suitable for corrosive environments.

• High Impact Strength: PPSU exhibits excellent impact resistance, even at low temperatures, ensuring durability in demanding applications.

• Dimensional Stability: PPSU has good dimensional stability, maintaining its shape and size under varying temperature conditions.

• Sterilizability: PPSU is suitable for repeated sterilization cycles, making it ideal for use in medical and dental equipment.

• Biocompatibility: PPSU is biocompatible and approved for use in medical and dental applications.

• Low Smoke and Toxicity: PPSU produces low smoke and toxic emissions when burned, making it suitable for certain applications with strict fire safety requirements.

Disadvantages

• Cost: PPSU can be more expensive compared to some other thermoplastics, which can impact its use in cost-sensitive applications.

• Not Suitable for High-Load Bearings: PPSU may not be suitable for applications with extreme high-load bearing requirements, as it may exhibit wear over time.

Common Applications of PPSU

• ​Medical and Dental: PPSU is used in medical and dental equipment, including surgical instruments, dental instruments, orthopedic devices, and sterilization trays due to its biocompatibility, sterilizability, and chemical resistance.

• Aerospace: PPSU is employed in aerospace applications for components that require high heat resistance, such as aircraft interior parts and electrical connectors.

• Food and Beverage Industry: PPSU is used in food processing equipment, valves, fittings, and components that require heat and chemical resistance.

• Electrical and Electronics: PPSU is used for electrical connectors, insulators, and housings due to its electrical insulating properties and resistance to high temperatures.

• Automotive: PPSU is used in automotive applications for components such as coolant systems, pumps, and sensors due to its heat resistance and durability.

• Oil and Gas Industry: PPSU is employed in oil and gas applications for downhole tools, seals, and connectors due to its resistance to harsh chemicals and high temperatures.

• Plumbing: PPSU is used in plumbing applications for hot water systems, fittings, and valves due to its heat resistance and chemical resistance.