According to the production process, plastic hollow pepper balls are mainly divided into hollow plastic pepper balls made by blow molding process, foamed pepper balls made by foaming process, plastic pepper balls made by mold thermal welding process, and floating balls are mainly divided into PP plastic pepper balls, PE plastic pepper balls, PA plastic pepper balls, POM plastic pepper balls, foamed plastic pepper balls and so on.

Plastic pepper balls are mainly used on liquids, some of which can be used as floating balls on liquid level sensors, some of which are used in chemical industry and electroplating fields as covering electroplating liquid to prevent excessive evaporation of electroplating liquid and play an environmental protection role. Plastic pepper balls can also be used as fillers in sewage purifiers, with the characteristics of low cost, light weight and good purification effect.