Sheet Extrusion
New Barrel Heater/Cooler Saves ‘Juice' to Run an Extruder
New, patent-pending design is said to reduce both radiant and convection heat losses.
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'Green'...And Microwaveable Too
New technology from Teknor Apex Co., Pawtucket, R.I., eliminates a property tradeoff that could allow polylactic acid (PLA) to supplant polystyrene and polypropylene for microwavable frozen-food trays, lids for hot beverage cups, and carry-out containers.
Read MoreDetermining the Maximum Machine Direction Orientation (MDO) Possible for Sheet
Given a set film thickness, width and material, how to you determine how much machine-direction orientation (MDO) is possible for a sheet.
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Dead Screw Talking
There's a lot you can learn by conducting a post-mortum examination of your screw.
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Look Before You Leap: When Direct Extrusion Makes Sense
The process offers great opportunities to extrude a better product at less cost, but it’s not for everyone. The formulation, product mix, and anticipated volumes must be carefully assessed to determine whether DE is the preferred manufacturing methodology.
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New in the U.S. & Growing Fast
One wouldn’t expect a Colombian packaging giant to come to Virginia for a cup of coffee, but that’s sort of what happened.
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Processing Biopolymers for Rigid Sheet & Thermoforming
Newly available cast sheet and thermoforming grades of Mirel biobased polymers open up a new range of applications in containers and other formed parts where renewable content and biodegradability are desired.
Read MoreMaximum Head Pressures for Extruders and Choosing the Best Melt-Filtration Tech
What is the maximum head pressure an extruder should run at and how do you choose which melt-filtration method is best for your application?
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Nano Technology Moving Fast Into Blown, Flat Film
New technology to process nano blown films unveiled by Dow at Antec. Nano cast film, sheet advances too.
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Multi-Layer Injection Molded Tubs Take on Thermoforming & Metal Cans
Kortec Inc., Ipswich, Mass., a supplier of multi-layer injection molding technology, is launching an altogether new system for making rigid barrier containers.
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