PET how about the bubbles in the bottle embryo?
Depends on where the bubble is, what kind of bubble appears, it is best to have a good map to judge. Now give some suggestions: 1. increase the back pressure; 2, separate the big 2 note temperature; 3. check the cooling water is normal; 4. check the 2 screw vent.
PET bottle embryo has bubbles because of insufficient drying:1. strengthen drying2. increase the temperature3. reduce screw speed
