PT ZONE: Multi-Screw Compounding

Get Better at Swapping Out Your Twin-Screw Elements
Here’s what you need to know to safely and efficiently remove, clean, restage, and reinstall your twin-screw extruder screw set. More (+)
COMPOUNDING: Air-Quench Pelletizer Line
Designed for highly filled and water soluble formulations More (+)


MOST RECENT CONTENT: Multi-Screw Compounding

Save the Date for Second Annual Extrusion Conference

Plastics Technology’s Extrusion 2016 Conference will be held Dec. 6-8 in Charlotte, N.C.

Coperion Relocates U.S. Headquarters

Compounding equipment machine builder completes move from Ramsey, N.J. to three other facilities.

COMPOUNDING: Cooling Conveyors for Hygroscopic Materials

Unit utilizes stainless steel belt instead of perforated plastic.

Entek Announces Staff Changes

Compounding machine builder reshuffles sales and marketing team.

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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OVERVIEW:
Multi-Screw Compounding

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Most materials today are compounded on multi- (usually twin-) screw compounding extruders. Most of these machines feature co-rotating, intermeshing screws, though there are applications in which counter-rotating, intermeshing or non-intermeshing machines are used. Extruders with more than two screws have been developed for applications requiring more intense devolatilization and reactive processing.


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