PT ZONE: Extrusion

PT Article Alpine Kicks Off K With Lots of Layers
Layers are great with chocolate cake. And blown film too. Hosokawa Alpine ran what’s believed to be a show first: an 11-layer line producing nylon-based barrier film. More (+)
K 2016: Day Two Show Report
Plastics Technology Editorial Director Jim Callari discusses extrusion trends at K 2016 in Düsseldorf, Germany. More (+)


Cooling Makeover Helps Plant Boost Efficiency, Save Energy

Switch to new system also allows extruder and thermoformer to boost throughputs.

How to Use Kinetic Modeling Analysis To Predict Profile Part Failure

Real-world project demonstrates how kinetic modeling can help estimate the shelf life of parts.

Extruding Very High-Flow Polymers

Screw designs not suited to process lower-viscosity materials will result in poor melt quality and lower outputs.

SPE announces 2016 SPE foundation scholarship award recipients

The Society of Plastics Engineers (SPE) has announced the winners of the 2016 scholarship program administered by SPE Foundation, including 42 scholarships totaling more than $110,000.

Machinery Executive Yokana Dies

Founder of Sterling and Merritt Davis was 89.

View More Content in This Zone  |  RSSRSS  |  AtomAtom



Extrusion is a continuous process through which parts of a fixed cross-sectional profile are made. Material is fed through a hopper into an extruder, essentially a rotating screw surrounded by a heated barrel, where it is mixed, melted and pumped through a die. The die gives the part its shape. From this zone you link to information on some of the more common extrusion methods, such as film, sheet, and pipe/profile/tubing

more (+)

» Blending & Dosing

Is dosing good enough? Do I need a Blender? Let Maguire walk you through the basics, process integration and more.


» Plastics Conveying

Watch video, download datasheets and more in the Plastics Conveying Knowledge Center.

» Plastics Feeding

Learn about continuous feeder types and their operation.

» Purging Compound

Sooner or later you will need to purge your machine. Which material should you use to purge your screw and barrel?

Product Announcements

INJECTION & EXTRUSION: New High-Wear Screw Coating
Nordson Xaloy Incorporated 10/12/2016
EXTRUSION: Feedblock Fine-Tunes Layers, Balances Velocities
Nordson Extrusion Dies Industries LLC 9/27/2016
EXTRUSION: Narrow-Web Film Gauge
NDC Technologies 9/21/2016
EXTRUSION: Biax Line in Virtual Reality
Parkinson Technologies Inc. 9/21/2016
EXTRUSION: Tungsten Carbide Coating of Plasticizing Feedscrews
Extreme Coatings 9/20/2016

View More New Products

High-Technology Corp
C.W. Brabender Instruments Inc
All rights reserved. Copyright © Gardner Business Media, Inc. 2016 Cincinnati, Ohio 45244