Advantages of Using 28mm PET preform   1. Cost-Effective: PET is a cost-effective material compared to glass or other materials, making it an attractive option for manufacturers looking to reduce production costs.   2. Lightweight: The lightweight nature of PET preforms reduces transportation costs and contributes to a smaller carbon footprint, making it an environmentally...

A PET preform is essentially a small, molded plastic piece that resembles a test tube or small bottle. It is made through an injection molding process where PET resin is heated, injected into a mold, and cooled into the desired shape. These preforms are then heated again and stretched into their final form (i.e., bottles) using a blow molding process. The 28mm in the name refers to the neck...