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Shrink-sleeve label is a hit with kids

New line of zero-calorie beverages aimed at kids takes full advantage of Disney-licensed graphics, which spring to life thanks to special PETG label material and VSOP offset printing.

STRIKING APPEARANCE. For flawless shrinkability on the globe-shaped bottles, that’s a function of the PETG film specified for the job.
STRIKING APPEARANCE. For flawless shrinkability on the globe-shaped bottles, that’s a function of the PETG film specified for the job.

A naturally flavored, zero-calorie water drink containing no colors, flavors, or harmful sweeteners, AquaBall comes in a 12-oz PET bottle whose globe shape and colorful cartoon graphics are guaranteed to be a hit with kids. The Disney-licensed graphics on the full-body shrink sleeve label come to life the way they do thanks to a very special printing technology and a PETG shrink film uniquely suited for this application.

Custom designed for and patented by True Drinks, Inc. of Irvine, CA, this bottle is injection stretch blow molded on a reheat-and-blow system. Filling and application of the 28-mm injection-molded polypropylene cap is done by regional contract packagers. Once filling is complete, the shrink-sleeve labels are applied. The bottles then go through a shrink tunnel.

Finished containers are tray-packed six per tray and the trays are sent through shrink film overwrap.

“AquaBall is the only beverage that meets the Nutrition Guidelines defined by Disney’s Magic of Healthy Living program,” says Robert Van Boerum, Director of Marketing for True Drinks, Inc. “The globe shape of the bottle indicates to kids that it’s a drink especially for them. The bigger and round shape makes it easy for kids to grab and hold. And unlike juice boxes, the lid is re-sealable.”

Packed with kid appeal though it may be, the globe shape presents a challenge where labeling is concerned, says Van Boerum. “We needed a label converter talented enough to print a shrink-sleeve label that could be applied with proper distortion to the artwork,” says Van Boerum. The bottle maker recommended Hammer Packaging. Says Van Boerum: “Hammer is incredible.”

One of the things that makes them “incredible” is the fact that they were the first label printing firm in North America to own a Variable Sleeve Offset Printing (VSOP) press, which they purchased in 2007. The VSOP technology, says Hammer’s Chief Research & Innovation Director, Hart Swisher, is available from Muller Martini Corp.

“VSOP is a web offset press,” says Swisher. “Its state-of-the-art sleeve technology allows print sizes and images to be changed quickly and easily from run to run—without having to change all the printing inserts.”

Flexibility
What this means to True Drinks is that VSOP technology offers the flexibility to print shrink sleeves for two different AquaBall flavors at one time across the web, with eight labels around. That is, rotating four different colored graphics in two sets across multiple lanes. For instance, on the fruit-punch lane might be labels featuring Disney Princesses Cinderella, Ariel, Belle, and Rapunzel, times two (equals eight around). On the grape lane might be Marvel’s The Hulk, Iron Man, Captain America, and Avengers Assemble, times two.

This gets back to Robert Van Boerum’s point, “We truly consider AquaBall to be a premium product as representative of the Disney and Marvel brands. And for that, we wanted quality film and full-color print.” The folks at Hammer agreed. “Choosing the material was critical,” says Swisher. “The globe shape required a low-vertical shrink around the bottle. We also needed film with sufficient receptivity to take the inks and provide a tight register for the colorful characters.”

Due to what Swisher calls a “great partnership,” Hammer chose Pentalabel® TG10T22 T52, a PETG shrink-sleeve film from Klöckner Pentaplast. “Their film is the best and most consistent,” he says. “They have many types of film, each developed to best meet the different requirements of individual container configurations. Pentalabel® Type 52 is uniquely suited for this application because it has the highest transverse direction (TD) shrink percentage, which means it’s able to grow in the machine direction. On top of which it is the clearest film out there. Two-dimensional stretch is a chief characteristic. These features provide the benefits of the largest and cleanest image on the bottle.”

This particular Pentalabel® shrink-sleeve film offers a higher shrink percentage, which is significant for the AquaBall application. Its ability to shrink in the machine direction means it shrinks laterally, which is desirable for labels that have to shrink around a cylinder. But more important for AquaBall, Pentalabel® Type 52 film also grows in the vertical direction, up and down. This means the label reaches attractively all the way from the bottle’s neck to its base. An inferior film would tend to pull at the edges, resulting in what’s known as a smile forming at the top and producing an upward crease from side-to-side. Or conversely, a downward frown forms at the bottom caused by vertical pulling.

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