PT ZONE: Blow Molding

What Blow Molders Say About All-Electric Machines
They are well established in Europe, but molders in North America are just beginning to come around to all-electrics’ improved performance, maintenance, cleanliness, and—yes— energy efficiency. Here’s first-hand testimony, from the U.S. and abroad. More (+)
PT Article SPE announces 2016 SPE foundation scholarship award recipients
The Society of Plastics Engineers (SPE) has announced the winners of the 2016 scholarship program administered by SPE Foundation, including 42 scholarships totaling more than $110,000. More (+)


Blow Molding Guru Slawska Dies at 80

Career in industrial blow molding spanned five decades.

Machinery Executive Yokana Dies

Founder of Sterling and Merritt Davis was 89.

U.S. Molders Warming Up to All-Electric Blow Molding

When I set out to research a feature on “What Molders Think About All-Electric Blow Molding Machines,” I thought it would be no big deal to get interviews with a handful of shops.

BLOW MOLDING: New All-Electric Shuttle at K’16

New series offers modularity, simplified design, increased reliability.

BLOW MOLDING: IR Gauge Measures Parison Thickness During Blow Molding

Helps fine-tune setup within minutes.

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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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