Stretch Blow Molding Machine

Stretch Blow Molding commonly used to producing the PET drink water bottle or other container as two-stage processing. In the two-stage injection stretch blow molding (ISB) process, the plastic is first molded into a "preform" using the injection molding process. These preforms are produced with the necks of the bottles, including threads (the "finish") on one end. These preforms are packaged, and fed later (after cooling) into a reheat stretch blow molding machine. In the ISB process, the preforms are heated (typically using infrared heaters) above their glass transition temperature, then blown using high-pressure air into bottles using metal blow molds. The preform is always stretched with a core rod as part of the process. LookingPlas.com supply and export good quality and cheap price material made in China and also import raw material from world.