Forming of PET bottle was performed by injection-stretch blow molding. Blow molding is the process of blowing pressured air into heated preform to make contact with mold cavity. In this paper, the aim was to improve reliability of technical stabilization for the PET bottle that is last productive product and process technology which was able to do maximization by a preform performance enhancement of the uniform thickness that took temperature and a characteristic of materials. Preform design and molds manufacture were conducted using injection blow molding analysis results. Therefore thickness error of 5% for PET bottle can be obtained in this paper.
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