Belt: rubber, nylon, steel wire, 3~6 layers. Roller:steel rollers, 5 ... belting, belt conveyors,conveyor idler rollers, conveyor rollers, troughing idlers, rubber rollers, roller brakets, used in coal and mining, harbor, chemical ... .Features of the belt: acid-resistant, alkali-resistant, oil-resistant rubberl belt and plastic belt, when under 120°c heat-resistant rubber belt.Usage: Can be ...