Application of coal mining plastic idler 3 roller impact trough sets belt conveyor transition roller This product is widely used in the original dock transporting places where dust is bigger and the environment has high corrosive , such as mining , power , steel , stone materials factory , cement and coking plant , coal washing factory , salt plant , alkali plant , fertilizer factory , dock and so on . 1.Good performance of self-lubrication , wear resistance and no caking. The surface of roller is not easy to scale . 2.Low friction coefficient and it is good for belt. 3.Flexible and smooth movement , and low driving power consumption . Application of coal mining plastic idler 3 roller impact trough sets belt conveyor transition roller This product is widely used in the original dock transporting places where dust is bigger and the environment has high corrosive , such as mining , power , steel , stone materials factory , cement and coking plant , coal washing factory , salt plant , alkali plant , fertilizer factory , dock and so on . 1.Good performance of self-lubrication , wear resistance and no caking. The surface of roller is not easy to scale . 2.Low friction coefficient and it is good for belt. 3.Flexible and smooth movement , and low driving power consumption . 4.Light weight , easy installation and replacement . Reduce the labor intensity and maintenance. 5.The labyrinth seals makes waterproof and dustproof effect more significant.