Exploring the: Extrusion Zone
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EXTRUSION: Barrel Heat and Melting
Barrel temperature may impact melting in the case of very small extruders running very slowly. Otherwise, melting is mainly the result of shear heating of the polymer.
Save the Date for Second Annual Extrusion Conference
Plastics Technology’s Extrusion 2016 Conference will be held Dec. 6-8 in Charlotte, N.C.
Processing market at highest level since last April.
EXTRUSION: Understanding The Barrier Gap
All barrier screws are not created equal, and the barrier length and gap can be one of the reasons.
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%.
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.
Are You Ready to Take on the World?
Plastics Technology’s exclusive benchmarking study reveals the tactics of processors who just might be in that class.
Processors plan to invest in capital equipment as smaller processors are doing better.
EXTRUSION: Managing Regrind
Reusing scrap is a necessary evil. But be aware of the negative impact scrap has on properties and extrusion efficiencies. Start by developing a regrind-usage program.
EXTRUSION: Melting 101
Learn the basics on how polymer melts in a single screw. Barrel temperature plays less of a role than you might think.