How to improve the heat resistance of the preform?
Jul 01,2022
In the process of producing plastic bottles, the process control of the preform is very strict. If you want the quality of the bottle to be good, it is necessary to improve its heat resistance, mainly according to the injection cooling time control, selection of reasonable design, strict Controlling injection and drawing, circulating air blowing technology, and application of blowing mold temperature adjustment technology are carried out. 1. Preform injection cooling time control Strictly con......
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