The stretch blow molding tecnology is a method of manufacturing PET (polyethylene terephthalate) bottles and containers. The process starts with preforms, which are small plastic bottles that are heated and then stretched using compressed air to form the final shape of the container. The process can be divided into two stages: preform heating and stretching.
Extrusion
Blow Molding
The Extrusion Blow Molding process is used to form hollow thermoplastic objects, especially bottles and containers.