Its hydrolysis resistance ensures stability in humid and wet conditions, essential for medical applications involving repeated sterilization. Radél designs and manufactures high-quality electrical, electronic, and electro-mechanical Heavy-Duty vehicle components that withstand the toughest conditions. Radel® Polyphenylsulfone (PPSU) is an amorphous transparent high performance thermoplastic. It can be used for medical devices that are implanted for up to 24 hours. 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. 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. It is suitable for use in electronic assembly equipment and devices that must withstand soldering temperatures. 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. Dec 21, 2025 ยท At Radel Funeral & Cremation Service, we pride ourselves on serving families in Cincinnati and the surrounding areas with dignity, respect, and compassion. Radel offers outstanding resistance to a wide range of chemicals, including acids, bases, and solvents.

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