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Preform pet bottle12/16/2023 ![]() ![]() The time of year the preforms were injection molded, along with the environmental conditions in which they are kept, will also impact performance. The older the preform, the more difficult it will be to processing so that the container meets performance criteria. Our Preform portfolio offer an array of Weight and Neck Finish options from 7. Duy Tan is the leading plastic brand in Vietnam and aspires to. Our preforms have high reputation in competitive price and high. We pledges that no harmful chemicals will be used in our products. The short answer is that preforms stored three, six or 12 months, respectively, will each process differently. we can make various kinds of bottle preform including bottles for juice,mineral waterand so on. These preforms were dried under vacuum at 40o C to get them back to a condition similar to when they were first molded. To get specific answers to the question, PTI studied 2 liter and 20-ounce preforms that were more than a year old. “With almost 40 years of experience in this area, we knew that the longer the preform is stored, the greater the impact on performance-particularly if that preform was stored in a high-humidity environment.” ![]() “Our plant support personnel were frequently being asked what storage duration was acceptable for preforms and what problems can present themselves during longer storage periods,” explains Sumit Mukherjee, chief technology officer, PTI. Proprietary research from PTI shows that polyethylene therephthalate (PET) bottle performance issues may have their root cause in how long preforms are stored and in what environment.
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