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Paper and Other Web Coating Process
Overview Diagrams
This document provides diagrams of common web coating processes.
The document is intended to be used for informational purposes only.
Gravure Coating Unit Gravure Adhesive Lamination Line
Three-roll Reverse-roll Coater
Knife Coater
Dip Roll Coater Extrusion Process
Calendering Process
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Credits: This document was made possible through the efforts of the
POWC Implementation Tool Development Partnership effort, an effort to
bring together the regulated and regulatory community. It was through a
group effort that this document was developed. The logo of the partner
who was the lead for this tool is listed first below. To see a
description of our partners or to get more information about the
partnership effort, see http://wwww.epa.gov/ttn/atw/powc/powcpg.html
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Gravure Coating Unit
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Gravure Adhesive Lamination
Line
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Gravure Adhesive Lamination Line
Oven
Primary
Web Secondary Web
Doctor blade
Adhesive
Winder
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Three-roll Reverse-roll Coater
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Knife Coater
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Dip Roll Coater
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Extrusion Process
Extrusion Example 1
General process overview
Extrusion Example 2
Detailed diagram of the extruder
Extrusion Example 3
Diagram showing substrate details
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Extrusion Example 1
Primary
Web
Oven
ExtrudersWinder
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Extrusion Example 2
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Calendering Process
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Subpart JJJJ, Process Overview Diagrams Final Version, Last Updated 7/1/04