Pet Preform Mould Temperature Adjustment The use of Pet Preform Mould temperature control technology. The blowing mold is usually heated by the hot oil circulation method, and the blowing mold is adjusted in three cycles: the bottom of the bottle is cooled. The bottom of the bottle is kept at a low temperature (10 ° C ~ 30 ° C) to prevent the unstretched bottom portion from being overly crystallized and whitened....
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