... :190-3500mm. 3.Material: Iron, Rubber, HDPE, etc. omniseal Ceramic groove belt conveyor Idler roller Description of the products ... resistant,anti-oxidation stable,anti-theft,and the use of ceramic idlerbelt,devintion can be effective in preventing and reducing the ... resources&time,reduce operating costs,improve efficiency of belt conveyor.Ceramic idler can maintain a long time-using than common roller ...