>For PVC bottles for mineral water , the light blue ones , JUST blowing inside a hot "hose" , coming from a extruder , tha is confined inside the model. Air pressure is about 8 bar.
For PET , the cristal color, used in soda water like CC , from a hollow rod , and blown inside the model , the hollow rod , comes with the nek and the head where the cap is twisted. The rod is heated by infrared lamps , and air to blow is about 70 bar.
Do a search at searcher. for PET bottle , or PVC bottle