To see the use of the environment, heat, cold, oil resistance and acid resistance of the conveyor belt work surface thickness shall not be less than 4.5mm, the upper and lower cover thickness should be 1.5 of the. The conveyor belt is ordered to indicate the width (mm), the fabric layer, the thickness of the cover (mm), the length of the mm, and the strength of the conveyor belt. Belt conveyor belt and belt conveyor belt should be described in detail. Such as NN200 conveyor belt, bandwidth of 6, 800 layers of canvas, on the thickness of the 4.5mm thickness of 1.5mm glue thickness of 100 meters. Express as follows: NN200-B800 x 6 4.5+1.5 100 meters, etc., according to the actual needs to purchase the required conveyor belt type.