How is the plastic packaging bottle made?
There are two main manufacturing methods for plastic packaging bottles, extrusion blow molding and injection blow molding. The main injection molding process of plastic packaging bottles is that in the process of injection molding, the main molds of plastic bottles used for molding include Yin mold and Yang mold. Use the injection molding machine to inject the plastic melt into the mold type cavity under the high pressure. When the mold cavity is opened, it is necessary to remove the Yang mold from the Yin mold and push out the bottle body. The following mainly introduces the characteristics of injection blow molding of plastic packaging bottles.