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  • Comparison of advantages and disadvantages of several major processing methods of plastic raw materials

    Comparison of advantages and disadvantages of several major processing methods of plastic raw materials Injection Molding The principle of injection molding is to add granular or powdered material into the hopper of the injection machine. The material is heated and melted and becomes active. Und...
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  • Process introduction

    Process introduction 3/4 of the blow molded products are manufactured by extrusion blow molding. The extrusion process is to force the material through a hole or die to make a product. The extrusion blow molding process consists of 5 steps: 1. Plastic preform (extrusion of hollow plastic tube). 2...
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