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Release agent application in flexo printing

Efficiency through precise release agent application

Flexo printing is characterized by an enormous variability of substrates and printing speeds and the accompanying drying performance. Under unfavorable conditions, sticking and adhesion can occur in the printed rolls. The printed image is damaged by partial adhesion.

Sometimes distance is just needed.

The non-contact application of an ultra-fine powder coating separates the substrate and ink surfaces. This prevents the inks from sticking together. The application quantity is in the range of a few milligrams per m².

With the powder application systems WEKO-AP and the capped system WEKO-ESC, very small quantities of powder particles are applied to the printed surface.

Advantages at a glance:

  • Faster printing speed

  • Higher product quality

  • Reliable, trouble-free further processing

  • Reduced static charges

  • Precise, minimal and repeatable application quantities

  • Resource-saving due to minimal consumption

  • Automatic adjustment to print speed

  • Intuitive, easy operation

Increase your product quality and production speed by using the WEKO-AP systems already proven in offset printing.

The WEKO-ESC additionally offers the advantages of an encapsulated system with suction. Machine contamination and environmental pollution are reduced to a minimum (). By using static discharge, the surface is neutralized to ensure the best conditions for a uniform, minimal release coating. Scrap is reduced, thus lowering production costs.

Product solutions

  • Flexo printing before rewinding

References

„A strong partnership“

Heidelberger Druckmaschinen AG and WEKO are jointly developing all PowderStar products in the HEIDELBERG sheetfed offset press portfolio for maximum dusting efficiency. Thanks to the joint development, the systems can be optimally designed to meet the mechanical, fluidic and software requirements in order to offer the user the best possible performance and efficiency. Whether in advertising and commercial printing, label or packaging printing. All products are produced in-house at WEKO according to high quality standards with individual product testing.

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