Most bottle grades of PET Preforms are copolymers, which means that a few percent of a modifier has been incorporated into the polymer chain. Copolymers are easier to injection mold because the crystallinity behavior is improved.Moreover, Use our experience to help you meet your Pharmacy Jar PET Preform requirements consistently and competitively.
A remarkable transformation takes place when injection molded PET Preforms is stretched at the right temperatures and to the right extent. The long chains undergo strain-hardening and strain-induced crystallization, which gives the properly-made PET bottle exceptional clarity, resistance to internal pressure, uniform wall thickness, toughness, and a host of other features. If you have questions, comments, feedback, or ideas please let us know.