Plastic ball in fact can not be called is plastic ball, because plastic raw materials in the incorporation of the rubber components, so the hardness of plastic ball no plastic ball of high hardness, due to plastic ball with a rubber composition, so polishing effect than bright surface of the plastic ball, plastic ball is mainly used for toys industry and pipeline valve superior occasions, in the application of the toy industry is mainly produce elastic plastic balls and other products, silicon rubber ball in the production process and the rubber ball in the production process is basically the same, only a few of the curing process.