TAPPI Flexible Packaging Troubleshooting Short Course

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By damina 2011-11-27 20:00:03 46 pages

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Manual laminator , Engineering

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Descriptions :

A manufacturer of the flexible packaging material used to form consumer fluid containers was have a defect called “Tunneling” Typical Coating, Laminating and Extrusion Coating Machine Line Problem Description: Tunneling is where a small areas across the web delaminates between the PET film and the Aluminium Foil The tunneling defect occurs after the dry bond lamination & before the PET film and aluminum foil laminate is extrusion coated with the polyethylene.