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In-line Metallizing and Flexo Top-Coating

By applying a flexo coating immediately after the metallizing zone in a vacuum chamber, and then E-beam curing that coating all in one pass, the inherent barrier of that metallized layer is locked in, with a minimal number of coating defects.

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A Look at Stripe Metallizing Technologies

There are many packaging applications where a consumer packaged goods (CPGs) company would like the brightness and some of the barrier properties offered by metallized film, but with clear segments where the customer can see the product too.  This is particularly true of fresh foods or produce, where the ability to see the actual product in the package is a necessity.  As consumers become more demanding, and CPGs have to fight for shelf space, this is a more and more common request from the marketplace. A cost effective way to produce such a package, with both metallized and clear sections, is by using a metallized web that has clear stripes in the machine direction.  This way, depending on how the pre-made pouch is made, or whether the laminated web runs on FFS equipment, the clear stripe can be oriented in the horizontal or vertical direction on the pouch. There are three basic technologies available to carry out one-pass stripe metallizing.  The first is using chill roll banding, where metal bands lay on the film as it passes over the chill drum in a drum metallizer.  The bands peel off the film after it passes through the metallizing area, leaving clear stripes behind.  These bands need to be cut to width, with significant set-up involved to properly align them.  There is […]

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Stripe Metallized Barrier AlOx Pouch Award

AIMCAL Product Competition Award Winners March 2015 Packaging: Nonfood: Marketing Celplast Metallized Products, Toronto, Ontario, captured the Marketing Award at the AIMCAL winter conference.  Celplast is recognized for their role as stripe metallizer of high barrier aluminum oxide coated polyester.  Other participants in creating the package include converter Prairie State Impressions, Franklin Park, IL, and substrate supplier Camvac Ltd., Thetford, UK. The metallized zippered pouch for Gold Strike Robusto cigars from Swisher International, Inc., Jacksonville, FL combines 48-gauge PET/48-gauge aluminum oxide with stripe metallized PET/2-mil PE.  The finished package achieves multiple benefits with high barrier properties and eye-catching graphics. According to Celplast, half of the aluminum oxide-coated PET is metallized. The stripe-metallized film is then laminated to the printed web.  High barrier properties of the aluminum oxide allows Prairie State to run a single web instead of two webs reducing material costs by more than 25 percent.  The lamination also permits higher printing and pouching speeds for increased efficiency.  The resealability feature with the zipper and product visibility through stripe metallizng creates value and great shelf appeal for the consumer.  “A 25 percent cost reduction is substantial,” stated one judge. The judging panel also liked the resealability of the package.

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5 Areas In Which Metallized Film Beats Foil

Looking for ways to increase barrier properties of your package?  Here is some factors to consider when it comes to optimizing package barrier and improving production efficiencies.  With high barrier metallized films offering barrier values in a range of 0.31– 0.46 g/m2/day water vapor barrier, and 0.31 – 0.46 cc/m2/day oxygen barrier, they can offer several advantages over foil in both production and final package integrity. 1.  There is no question that metallized film offers better puncture resistance over foil.  From the time the product is manufactured, packed and transported, the package will be flexed countless times and pin-hole and flex-cracking will occur.  Though the product remains intact, foil barrier can be adversely affected by content vibration creating microscopic punctures. High barrier metallized films can improve shelf life over foil by resisting these punctures and retaining their high barrier properties. 2.  Foil possesses dead-fold characteristics that make creases and wrinkles permanent.   Making its way through the various channels to reach the store shelf, a package can look shopworn by the time it is in front of the consumer.  Without the memory characteristics of foil, metallized films will withstand this handling, arriving on the store shelf with the fresh and original appearance and graphics intact. 3.  Metallized film can run at faster line speeds compared to foil.  Typically run at thinner […]

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