Pet Bottle Preform Blow Molding Precautions
(Generally, injection molding into Pet Bottle Preform) → After heating, the pet bottle preforms are longitudinally stretched → transversely stretched → blown bottled. The final molding in this production process uses mechanical cold setting, so when the PET bottle is used in the temperature of the PET glass transition temperature of 78 ° C), the molecular chain will be slack...
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