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Published in:
2014 | OriginalPaper | Chapter
Introduction
Author : Dr. Chris Rauwendaal
Published in: Polymer Extrusion
Publisher: Carl Hanser Verlag GmbH & Co. KG
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The extruder is indisputably the most important piece of machinery in the polymer processing industry. To extrude means to push or to force out. Material is extruded when it is pushed through an opening. When toothpaste is squeezed out of a tube, it is extruded. The part of the machine containing the opening through which the material is forced is referred to as the extruder die. As material passes through the die, the material acquires the shape of the die opening.