Innovations in PET Preform Technology: The 5 Gallon Revolution The production of large-volume containers, especially for beverages, water, and other liquids, relies heavily on the use of preforms. A preform is a plastic product that serves as the foundation for the final shape of a bottle or container. For those looking to produce 5-gallon bottles, the choice of PET (Polyethylene Terephthalate) preform is crucial to ensuring both the efficiency and safety...