Pet Bottle Preform

Listing ID #3494366

PET containers or bottles are made out of PET preforms. So, to make best bottles, it is very important that preforms are defect free. And to make preforms defect free, it is equally important to know the defects and its causes very well. This helps in taking appropriate measures in future for catching minute flaws.Cause of defect - this usually occurs due to cold stretching or may be due to overstretching. Marble tint caused due to overstretching concentrates on one area of the bottle. On the other hand, due to cold stretching, the whole structure of the preform gets affected.