PEEK (polyetheretherketone) has become something of a wonder material in recent years because of its strength and high temperature tolerances. It has very good pushability, or longitudinal stiffness capabilities—which basically means it can be pushed a long way before kinking. This makes it ideal for applications in tortuous in-patient applications, especially in catheters that go through long arteries or small, complex vascular systems. It is lubricious—but other plastics, specifically fluoropolymers are more so. Elevating PEEK’s lubricity to the level of fluoropolymers is a desirable achievement because of all its other benefits, and new science and engineering is making this a reality. New additives and technology now enabl
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