... mechanical rigidity 3.Small order and on time delivery POM Gear Wheel Name: POM (Polyoxymethylene, acetal, Delrin)Colors Include:- ... , it is the first material choice for manufacturing gear.♦ High mechanical strength and rigidity. Although the contraction ... springs, bearings, wheels, connecting rod, impeller blades etc..♦ Automobile industry♦ Electronic and electrical appliances♦ Others such as toys, ...