... in applications such as; Gears, Bushings, Bearings, Rollers, Timing Screws, manifolds, Valves and Valve B Polyacetal has the following characteristics: Outstanding wear ... in applications such as; Gears, Bushings, Bearings, Rollers, Timing Screws, manifolds, Valves and Valve Bodies, Washers, Wear Pads, and many industrial machine ...