High Definition Corona for Converting

Universal Roll

How do you evaluate the performance of your corona treater? Most converters measure dyne level. That’s a good start. But dyne level only measures wetting out. The real test is the ability of a corona treater to promote adhesion to your satisfaction. Consider this: it is not unheard of for two different corona treaters to…

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Getting Started with Corona Surface Treatment

This free eBook shares expert insights from Surface Treating Experts. Discover how Converters & Extruders use Corona Treating to Improve Adhesion Corona treating improves a film’s receptiveness to inks, coatings, and adhesives. In this informative eBook, you’ll find insights on how corona treating works, application examples and considerations when specifying corona treaters. See what Enercon…

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Corona Treating Maintenance Best Practices

This informative webinar will provide you with the industry’s best practices to keep your corona treater in top running condition. Learn what to look for and how to remedy common problems that cause downtime: From electrodes to rolls, from power supplies to exhaust system, this webinar covers it all.

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Why All Films Do Not Treat the Same

The Signature Relationship Between Your Film and Corona Treaters How well do you understand the relationship between your films and your corona treater? A treatment level of 2.0 watt density yields very different results on PET compared to Polypropylene. And, a nominal change in watt density can produce unexpected results. This paper looks at the…

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Corona Treatment: An Overview

Abstract With the advent of readily available nonpaper substrates (plastics and foils) in the mid-to-late 1950’s, the requirement for a reliable production speed surface treatment process became apparent. Several different technologies have been tried, but one, corona treatment, has become, by far, the primary surface treatment technology used across the Extrusion and Converting Industries. We…

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Corona Treatment Builds Better Bonds for BOPP Laminates at Prestige Pak

In 1967, Biaxially oriented polypropylene (BOPP) wasn’t regarded as a popular substrate for flexographic printing. James Kuber saw an opportunity and launched flexible-packaging converter Prestige-Pak (now CP Flexible Packaging) in Fond du Lac, WI.  Decades later, President Vince Kuber continues to invest in equipment as he sees store shelves filled with products packaged in laminated, flexible bags…

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