Knowledge About Injection Molding Of Cosmetic Bottles
After injection molding, the plastic is melted and injected into the mold with pressure. The blow molding bottle is heated and softened with the plastic preforms and put into the mold. High-pressure air is added to the preforms to make the softened preforms stretch and thin to form the same product as the mold. At present, cosmetic bottles generally include a shell and a cover body that covers...
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