The four top grades of PEEK are: unfilled, 30% glass-filled, 30% carbon-filled, and 20% PTFE and graphite filled. These materials are manufactered into fasteners and components such as bearings, screws, flat washers, hex nuts, gears, and medical components in addition to many custom shapes. The properties of each and the industries they are used in are discussed below.
Of the top four grades of PEEK, unfilled-PEEK (polyetheretherketone) is the most common grade. It is a semi-crystalline polymer. … Read more