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Manufacturer: Quadrant

Best Impact & Steam Resistance to 400°F (205°C)



- Impact resistant

- Highly resistant to steam autoclaving

- High modulus of elasticity and heat resistance


Radel® R polyphenylsulfone (PAES) is an amorphous high performance thermoplastic offering better impact resistance and chemical resistance than polysulfone and polyetherimide (Ultem PEI).


Radel® offers superior hydrolysis resistance when compared to other amorphous thermoplastics as measured by steam autoclaving cycles to failure. In fact, Radel® R has virtually unlimited steam sterilizability outlasting other materials by a factor of 40:1. This factor makes it an excellent choice for medical devices as steam autoclaves are widely used to sterilize medical devices. It also resists common acids and bases-including commercial washing solutions-over a broad temperature range.


Radel® R is available in transparent, natural (bone white) and custom colors. It is commonly used in sterilization trays, dental and surgical instrument handles, orthopedic implant trials and in fluid handling coupling and fitting applications. Radel® R is USP Class VI compliant.


It is suitable for use in electronic assembly equipment and devices that must withstand solder temperatures. Radel® has a heat deflection temperature of 400°F (205°C).

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Features & Benefits

- Medical wands - Radel® rod is intricately machined into smooth, comfortable handles used as structural components in medical applications. These handles offer superior impact resistance and autoclavability (Prior material: Stainless Steel).

- Endoscopic probe positioning ferrule - or endoscopic surgical devices, a positioning ferrule on the instrument handle is intricately machined from Radel® R rod (Prior material: Stainless Steel).

- Engineering Notes:
Although Radel® R has been approved for use in a variety of medical devices, it is not FDA compliant and so it is not appropriate for food contact applications. Radel® is not a wear material, and its properties degrade when exposed to sunlight.




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