The Universal Selection Source: Plastics & Elastomers


Single-Stage or Two-Stage PET Blow Molding... That is the Question

SpecialChem / Jan 12, 2007

Blow-MoldingPET bottles are always made in two steps. First a suitable preform is injection molded. Then this preform is brought to the right temperature and blown into a bottle. This process although simple, but requires a quality time to produce the bottles in bulk.

Fortunately, we have another strategy where the two steps could be integrated in one machine and we call that single-stage (or single-step) process. Potent single-stage process have made making of PET bottles way convenient than the double-stage process.

But are there some disadvantages too that led to the argument for the best process among the two. Read more and find out the process that could deliver the best quality PET bottle...

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