Extrusion

screws

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.

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Postindustrial

Trials Show 'Dryer-Less' System Converts Mixed Regrind Into High-Quality Thermoformed Sheet

In production-scale trials, PETG and APET scrap bypasses landfill thanks to PTi's high-vacuum, twin-screw extrusion system.

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processing tips

A Film Processor’s Guide to Understanding Materials & Equipment

Process engineers need to have a fundamental understanding of three areas: the material properties, the basic design parameters of the extrusion equipment, and the process window of the equipment.

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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.

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Blow Molding

U.S. 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.

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Extrusion

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%.

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best practices

EXTRUSION: Venerable Maddock Mixer Still an Extrusion Workhorse

Variations to this decades-old mixing section are widely used, but processors should carefully analyze these designs and not assume they will perform better.

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Extrusion

ChemChina to Buy KraussMaffei Group

German plastics machinery maker to remain in place after purchase by China's largest chemical group.

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Former Laminating Exec Starts Own Sheet Business

Apex 'fills void' by furnishing high-gloss sheet for laminating.

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Medical

Graham, Conair Team Up To Boost Medical Tubing Technology

Suppliers to house each other's equipment in their respective extrusion labs.

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