Jilian Mold China Pet Bottle Is Your Good Choice

The first step in the blow molding process directly affects the quality of the finished product of the Pet Preform, so the selection criteria for the preform production is relatively high. So what is the selection criteria for preforms for pet preform packaging during blow molding? To prepare a blow molded bottle, in the first injection molded preform of the PET section, it requires twice the proportion of recycled material is not too high, generally can not exceed 5 percent, no more than twice the amount of recovery and molecular weight and The viscosity is not too low, generally from 31,000 to 50,000, and the intrinsic viscosity is from 0.78 to 0.85 grams per cubic meter. Injection molded preforms should be stored for more than 48 hours prior to use. After the heating has not been used, the preform must be reheated for more than 48 hours before being used for heating. The storage time of the preform should not exceed 6 months. The advantages and disadvantages of pet preform PET materials depend to a large extent on the difficulty of the blow molding process, the easy setting of materials and the establishment of a reasonable preform molding process, and also determine the difficulty of blow molding of preform PET bottles, prefabricated parts The requirements are pure, transparent, free of impurities, the same color, length and shame.
If you want to choose a preform with guaranteed quality, then Jilian Plastic is your good choice. We are a safe and reliable China Pet Bottle manufacturer. We have accumulated many years of experience in the market and are experts you can trust.

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