![]() This can make it difficult and costly to process through methods such as injection molding, but in its solid state PEEK is readily machinable by CNC milling machines. Due to PEEK’s high temperature resistance and high tensile strength, PEEK plastic machines more like a metal than a polymer. But this cost is a reflection of its quality. Likewise, carbon-fiber-reinforced PEEK has the highest strength and stiffness properties outstanding wear resistance and load-carrying capabilities and higher thermal conductivity.Ĭlients are often surprised at the cost of PEEK plastic, as it is one of the most expensive polymers on the market. For example, glass-fiber-reinforced PEEK has a reduced expansion rate, increased flexural modulus, and excellent electrical and thermal insulation characteristics. ![]() PEEK plastic is also available in a variety of grades that offer enhanced properties for specific use. Biocompatible – With a high strength and modulus that approximates human bone, PEEK is often used for spinal implants and skull reconstruction.Outstanding chemical resistance – Unfilled PEEK offers broad chemical resistance that approaches that of PTFE, but with far greater strength.Excellent fatigue, stress-crack, and creep resistance. ![]() High tensile strength (16,000 psi) and high flexural strength (25,000 psi).High temperature resistance – Serves continuously at temperatures of 500° F and has a melting point of over 700✯.The key characteristics of PEEK plastic include: The unique chemical structure of this thermoplastic makes it incredibly strong and dimensionally stable both under load and in the harshest environments. PEEK stands for “polyetheretherketone,” making it part of the broader family of ketone polymers. You may be wondering, what is PEEK plastic and why is it so popular? We often refer to PEEK as the “powerhouse polymer” because of its unique combination of outstanding properties that make it suitable for a wide array of uses across nearly every industry. When it comes to applications that require high-performance plastic, PEEK is often a top recommendation.
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