PT ZONE: Blow Molding

PT Article ‘China Is No Longer Cheap’
When I spoke with Scott Huff about his China-based company’s plans to open a new production facility in the U.S., he was actually getting ready to board a flight to Shenzhen. More (+)
Contraction Accelerates for Third Month
Index has been trending down since last March. More (+)


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The game is changing. Reshoring is occurring at a rate faster than most expected.

Ultra-Light PET Bottle Expands Range for Hot-Fill

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Coca-Cola Debuts First 100% Biobased PET Bottle

A prototype that's still five years away from full commercialization.

Contraction Accelerates Slightly

Third dip in four months.

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Blow Molding


In blow molding, material is melted then formed to create a hollow part. There are various types of blow molding: extrusion blow molding; injection blow molding; and stretch blow molding. Blow molded products can be broadly classified into packaging (such as soda bottles) or industrial (like fuel tanks).

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» Purging Compound

Sooner or later you will need to purge your machine. Which material should you use to purge your screw and barrel?

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