... metallurgy, chemistry, and food industries. 4,CharacterNN (nylon/nylon) conveyor belt: High tensile strength, high impact resistance, less bending fatigue ... and oil resistant type according to the performance of the cover rubber. 6,Nylon conveyor belt specification(1)Material of ... NN300,NN400,NN500(2)Side Wall Conveyor Belt Width,400mm-1800mm(3)Layer of cloth, layer from 2 to 10. NN conveyor belt