PT ZONE: PET Processing - Injection Molding

Taiwan Takes Its Place Among Machinery Elite
Overshadowed in geographic size and economic output by its neighbor to the east, Taiwan punches above its plastics weight class and is looking to become more self sufficient in its machinery offerings. More (+)
Granulate or Shred: Which Makes Sense for You?
That is the size-reduction question confronting many processors today. Look here for some guidance. More (+)


MOST RECENT CONTENT: PET Processing - Injection Molding

100% biobased polyester charts course to commercialization

Avantium's PEF (polyethylene furanoate) holds much promise as a 100% biobased polyester, and now the company is taking steps to help the bioplastic fully realize that potential.

Milacron acquires Kortec building its coinjection portfolio

Milacron is building an impressive injection technology portfolio that will give it greater reach into packaging markets.

Blow Molding News at K 2013

All-electric machines of all types were the stars of the show, but there were a number of other noteworthy developments.

INJECTION MOLDING: PET Preform System Upgrades Boost Output, Energy Efficiency

Husky Injection Molding Systems has launched its next-generation HyPET HPP5 preform molding system, which incorporates numerous enhancements that reportedly allow for up to 12% productivity improvement.

Melt Flow Rate Testing—Part 6

Once degradation has been established, the discussion inevitably turns to how it happened. It might be expected that the answer to this question is widely known. Not so. The good news is that the influences that cause polymer degradation during processing are few.

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OVERVIEW:
PET Processing - Injection Molding

PLA dairy bottle.jpg

PET bottles are a huge market for the material. Processing PET into bottles can take two steps depending on the application or bottle. In the first step, PET is injection molded into a "mini bottle," complete with threads, called a preform. This preform is then reheated, stretched and blown into its final shape. While there is technology available that combines these two processes in a single step, for larger-throughput applications preform and bottle making are generally made in distinct steps, often by different processors.


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