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Flat Extrusion Dies for PVC

Author(s)/Editor(s): Paull L Peelman

Pages in Print Edition: 18PP

Published: 01/10/1998
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Extrusion of degradable resins such as PVC has always been a challenge for processors. This paper will concentrate on the special requirements and unique design features that are being used for flat film dies, sheet dies, siding dies and form dies. A better understanding of the inter-relationship between the resin rheology and the extrusion die hardware will allow processors and designers to make better choices. Also presented in this paper is a summary of the different flat extrusion dies used in the industry. Author: Paul L. Peelman, Chippewa Valley Die, Inc., Eau Claire, WI.