Radel® Polyphenylsulfone (PPSU) is an amorphous transparent high performance thermoplastic. Radel® R is commonly used in sterilization trays, dental and surgical instrument handles and in fluid handling coupling and fitting applications. Radel offers outstanding resistance to a wide range of chemicals, including acids, bases, and solvents. It is suitable for use in electronic assembly equipment and devices that must withstand soldering temperatures. Medical-grade Radel® PPSU resins have a long history of providing a strong, lightweight alternative to metal in sterilizable instrument trays, implant trials and surgical instrument handles. Its hydrolysis resistance ensures stability in humid and wet conditions, essential for medical applications involving repeated sterilization. Radel® PPSU — Radel® PPSU has high heat resistance and excellent hydrolytic stability, making it useful for hot water fittings, and medical devices requiring repeated steam sterilization. . Dec 21, 2025 · At Radel Funeral & Cremation Service, we pride ourselves on serving families in Cincinnati and the surrounding areas with dignity, respect, and compassion. What is PPSU? PPSU (polyphenylsulfone), also known as Radel® R, is a high-temperature thermoplastic with exceptional impact resistance and the ability to endure repeated steam autoclave cycles. It can be used for medical devices that are implanted for up to 24 hours. It is known for its high heat resistance, extreme toughness, high flexural and tensile strength, excellent hydrolytic stability and good resistance to a broad range of chemicals including aqueous mineral acids, bases, and oxidizing agents and most solvents. Radel® has exceptional toughness and outstanding hydrolysis resistance when compared to other thermoplastics as measured by steam autoclaving cycles to failure. Radel is a polyphenylsulfone (PPSU) polymer with properties that have made it a widely specified material for healthcare equipment and medical devices. Medical-grade Radel® PPSU resins have a long history of providing a strong, lightweight alternative to metal in sterilizable instrument trays, implant trials and surgical instrument handles. Radél designs and manufactures high-quality electrical, electronic, and electro-mechanical Heavy-Duty vehicle components that withstand the toughest conditions. Our staff is experienced in a variety of funeral services and can help you celebrate your loved one no matter your religion, culture, or budget.

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