Special supply:heat-resistant,explosion-resistant. It caontains: light-duty,middle- ... mm.layer), nylon(100 to 300N/mm.layer), plastic(100 to 300N/mm.layer), steel wire belt( ... Idler roller type: Components and belt conveyors spare parts 1. Belt(4 kinds): Canvus, nylon, steel wire, plastic belt. ... time: Within 30 days, FOB, shippment. explosion-proof belt conveyor machinery for coal mining use