Extrusion

Film Extrusion

Which Winder’s for You?

It's time to apply more science to the process of selecting the right kind of winder for your operation.

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processing tips

Why I Still Like Analog Meters

They may not look as slick as their digital cousins, but I find them more helpful in identifying and troubleshooting extrusion problems.

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Sheet Extrusion

Extrusion Process Produces Lens Array

Process promises opportunities for extruders to make lens arrays for smartphone and other electronic displays, solar concentrators, optical diffusers, security products, etc.

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Packaging

Flexible Package Takes Aim at Rigid Containers

Leading sheet processor Clear Lam Packaging, Inc., Elk Grove Village, Ill., made three announcements during October’s Pack Expo International show in Chicago.

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Packaging

Modified MDO Gives Higher Film Yields

Hosokawa Alpine American, Natick, Mass., is offering new machine-direction orientation (MDO) technology that is said to dramatically reduce the amount of film to be edge-trimmed compared with other MDO designs.

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Sheet Extrusion

PolyOne to Buy Spartech

Major compounder PolyOne Corp.has signed a definitive agreement to acquire Spartech Corp.

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Packaging

Molded Spool Specialist Sees Growth Opportunities in Extrusion

Spools, reels, and more spools鈥nd now custom profile extrusion has been added to the mix.

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Extrusion

Screw Design Is a Matter of Balance

In order to achieve a balance between feeding, melting, and pumping it鈥檚 necessary to use proven calculations and/or tested empirical data in the design of each section.

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polyolefins

New Plastic ‘Lumber’ Uses No Wood

Intended to expand the property profile and application potential of polymeric wood substitutes, a new technology is available for license to make lightweight plastic lumber-type products that contain no wood fiber.

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Blow Molding

New Owners for American Kuhne

The Graham Group, York, Pa., last month announced it had bought controlling interest in American Kuhne (AK), the Ashaway, R.I.-based manufacturer of extruders, screws, and integrated extrusion systems.

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Plastics Size Reduction