PT ZONE: Blow Molding

PT Article SPI Launches Zero Net-Waste Program
New initiative to promote pursuit of zero-waste in plastics processing. More (+)
Try a ‘Complete’ Method to Clean Screws, Barrels
Pulling the screw will give you direct access to clean all surfaces. Here’s how to do so in an efficient, safe, and non-destructive way. More (+)

MOST RECENT CONTENT: Blow Molding

Add Some Science To Your Purging Practices

Applying scientific methodology to purging techniques is safer and more beneficial than operating ‘on-the-fly’ or using home-made remedies.

U.S.-Made High-Melt-Strength PP Tackles Wide Range of Applications

Total’s new HMS-PP signals both increased interest in the material and a source of domestic production.

December’s Index: 43.6

Mid-size plants expand for fourth month out of five. And compared with one year ago, capital spending plans are up 32%.

Bekum America Corp. Announces Promotions

Steven London is named president and Chief Operating Officer.

A.T. Kearney, Moser Spar Over Latest Reshoring Study

"Over before it started" or still surging? Global consulting company, reshoring guru take sides.

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OVERVIEW:
Blow Molding

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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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