PT ZONE: Barrier 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 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. More (+)

MOST RECENT CONTENT: Barrier Blow Molding

BLOW MOLDING: IR Gauge Measures Parison Thickness During Blow Molding

Helps fine-tune setup within minutes.

Slideshow: Taipei Plas 2016

Taipei Plas, Taiwan's biennial plastics showcase, packs a high-quality show into a relatively small size, much like its equipment sector, which remains an export powerhouse.

Food Packaging Should Remain Strong

But industrial markets could slip.

North American Plastics Machinery Shipments On the Rise in the First Quarter

Shipments of primary plastics equipment in the first quarter were up 13.5% from the year-ago quarter.

Top DuPont Award Goes to Hot-Fill Blow Molded PET Container

Graham Packaging’s technology manipulates PET’s morphology to create a container with properties that surpass standard PET.

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Barrier Blow Molding


Coextrusion allows blow molders to improve the barrier properties of their products by either keeping oxygen or moisture out, which is criticial in food packaging applications. In industrial applications such as gas tanks, the barriers layers are designed to regulate hydrocarbon emissions.

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