Extrusion
Stretching the Limits of Film Innovation
The four partners who started FlexTech Packaging Inc. in Cincinnati three years ago all came from high-profile jobs with big packaging companies like James River and Jefferson Smurfitt.
Read MoreGenpak Pioneers in PET Foam Sheet
Soon after Genpak LLC launched its line of CPET trays for commercial baking in the early 1990s, the firm chose foamed PET as its next R&D target.
Read MoreFlatter Film Extrusion For the Win
When Charter Films began operations three years ago in Superior, Wis., its goal was to supply high-end converting markets in the region with blown films of better quality than those of much larger rivals.
Read MoreCatch a Falling Company
Peter Schulz had recently retired from Hoechst Celanese in Dallas, and Richard Nurse was a consultant, when both were called in to help shape up BPI Packaging Technologies Inc. in North Dighton, Mass.
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Single-Screw Mixing 101
Almost all processes using a single screw require some degree of mixing, whether it’s just to homogenize regrind with virgin resin or to mix in some color concentrate.
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Twin-Screw Demo System for Sheet Extrusion from Undried PET
Leistritz has installed ZSE-27 and ZSE-50 Maxx twin-screw extrusion systems in its Somerville, N.J., process laboratory to demonstrate the energy savings possible by reprocessing undried PET in-line with direct sheet extrusion.
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Seven-Layer R&D Line Spurs Blown Film Innovation
Business might be slow in most blown film extrusion markets, but leading-edge processors are preparing for better times by tapping into a seven-layer line installed last year at Dow Chemical Co.’s Film Application Development Center (FADC) in Freeport, Tex.
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How Much Regrind Can You Handle?
Most extrusion operations generate scrap, and in the case of sheet for thermoforming it can exceed 70% of total output.
Read MoreWhere Are You Using Energy?
Few plants are able to accurately divide up their energy consumption by where it occurs, despite the fact that this is relatively easy to do.
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