Cast and Cure: A Game-Changing Decorative Application Process
by Melissa DeDonder
UV+EB Technology
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COURTESY/Compact Foilers Ltd
Cast and Cure™, also known as film casting, uses UV/EB varnishes and specialty films to create diffractive surfaces that produce unique finishes for the printing and packaging industries. The process provides product differentiation, increased visual impact, design flexibility and sustainability, all while generating a return on investment that is being hailed as unparalleled in todays decorative printing and packaging landscape.
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COURTESY/Breit Technologies LLC
Cast and Cure™ is a decorative coating process that integrates “casting” and “curing” of UV coating by micro-embossing light diffracting effects into the surface of materials. This alternative to traditional holographic foil and laminate materials offers a sustainable, cost-effective decorating solution.
” title=”COURTESY/Foil & Specialty Effects Association- The Hoptical Illusion 10-year anniversary holographic package won a Silver Award in the Best Use of Film Casting (Cast and Cure™) category during the Foil & Specialty Effects Associations 22nd Annual Gold Leaf Awards competition.”>
COURTESY/Foil & Specialty Effects Association
The Hoptical Illusion 10-year anniversary holographic package won a Silver Award in the Best Use of Film Casting (Cast and Cure™) category during the Foil & Specialty Effects Associations 22nd Annual Gold Leaf Awards competition.
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In the highly competitive world of retail, products need to stand out on the shelves. Brand owners, printers and packagers have a variety of decorative enhancement processes at their disposal, many of which incorporate UV/EB technology. One process that is beginning to flourish in the marketplace is Cast and Cure™, also known as film casting. This technology uses UV/EB varnishes and specialty films to create diffractive surfaces that produce unique finishes for the printing and packaging industries.
The Cast and Cure decorative process forms a consistent high quality surface that can incorporate ultra-high gloss, matte and holographic finishes on a variety of substrates – an effect that can be created in both sheet-fed (offset) and web-fed (flexo and gravure) environments. To achieve the effect, wet UV or EB varnish is applied to a substrate based on either spot or flood coverage needs. Once the varnish is applied, the Cast and Cure film is temporarily laminated to the substrate with an image or pattern – holographic, matte, etc. The film acts as an embossing tool to manipulate the surface of the coating on a submicron scale. The lamination creates a “cased” image in the surface of the varnish, and then the varnish is UV- or EB-cured with the casting film still in place. Finally, the film is delaminated and stripped away, leaving the desired pattern on the surface of the substrate. No material or film is transferred to the surface, so the film can be rewound and used multiple times.
Breit Technologies LLC in Overland Park, Kansas, is credited with introducing Cast and Cure in North America. In 2008 – the same year the process was launched into the printing and packaging marketplace – the company won an Emerging Technology Award from RadTech International North America. Aside from the sustainability benefits that were formally recognized by RadTech, other core benefits of the Cast and Cure decorative process include cost and design flexibility.
“A key factor for any decorative enhancement decision is whether or not it will be worth the investment. When comparing Cast and Cure to the assortment of decorating techniques available, its cost-to-impact ratio continues to be proven in a variety of market segments,” said Tim Cain, president of Breit Technologies.
During the past 10 years, the process has been used on multiple $500 million and $1 billion brands around the world. Cain believes this success is the result of Cast and Cure being the most cost-effective method of achieving a holographic effect in the marketplace today. “The reusability of the casting film – up to 20+ times potentially – provides exponential cost savings, which makes the process more attractive than many other decorative techniques,” Cain said.
The fact that the film can be reused several times not only serves as a cost benefit, but also as a sustainability benefit – reducing the amount of material needed to decorate mass quantities of packages. In addition, other sustainability contributions of Cast and Cure include lighter packaging because nothing is transferred from the casting film to the substrate; no material in the landfill because the casting films are recyclable – as opposed to the laminated metalized films used in traditional holographic processes; and the elimination of volatile organic compounds (VOCs) with the use of UV/EB varnishes. These benefits work together to reduce the carbon footprint and lower expenses overall.
The third key advantage of Cast and Cure is design flexibility. It is a highly flexible technique because it can be spot applied to enhance specific areas. Since the effect is clear, it does not interfere with existing graphics and – unlike holographic laminates – there is no need to use opaque white to cover up the areas where no effect is desired. The process also allows for the use of RFID tags due to the lack of interference from the metalized layer. Security and anti-counterfeiting features can be incorporated and the image can be registered as well.
From idea conception to award-winning product
Breit Technologies, Keystone Paper and Box Company, Inc. and the EGC Group collaborated to produce a holographic package that won a Silver Award in the Best Use of Film Casting (Cast and Cure) category during the Foil & Specialty Effects Associations 22nd Annual Gold Leaf Awards competition.
The award-winning holographic packaging was created in honor of the 10-year anniversary of one of Blue Point Brewing Companys most popular brews – the Hoptical Illusion. “The package designers wanted something special, and they embraced the clear holographic design element as a means to pique curiosity and enhance shelf appeal,” said Jim Rutt, president of Keystone Paper and Box Company. Then the real work began.
The name of the brew and its psychedelic-themed branding pays homage to ancient Egyptian folklore –the idea that pillows stuffed with hops would elicit intense, vivid dreams. The brews packaging features multiple patterns, bright colors and distorted fonts, which presented a monumental challenge in terms of finding the right holographic pattern and application. “Typically Cast and Cure is used with solid colors or with less busy backgrounds, so the psychedelic theme required several rounds of testing and proofs to find the right fit,” Cain said.
The effect was produced on a module manufactured by Compact Foilers Limited, which had been retrofitted to the last station of an existing offset printing press. To complete the decorative process, the film was first compressed against the wet UV coating and then UV cured. The film was then stripped away, leaving a bright, clear holographic effect that enhanced the printed graphics without overwhelming the look of the carton.
Rutt said the feedback from this project and other projects utilizing Cast and Cure has been positive. “It has opened doors for our company, and our customers keep requesting the process,” he said. The greatest testament for the process may be in the increased efficiency and sustainability that it provides. “Once we learned the Cast and Cure process, the mileage we are able to get out of the film just keeps getting better. After a couple of runs, we exceeded 20 turns on a 5,000 meter roll of film. In our most recent run, we exceeded 30 turns,” Rutt said.
Printers and packagers are embracing the Cast and Cure process as a game-changer that provides product differentiation, increased visual impact, design flexibility and sustainability, all while generating a return on investment that is unparalleled in todays decorative printing and packaging landscape.
Melissa DeDonder works at Peterson Publications, Inc., serving as managing editor for UV+EB Technology, Converting Quarterly and the Topeka Visitors Guide, and as contributing editor on other publications as assigned. Prior to her current position, she worked for 11 years as a communications/public relations professional, specializing in advocacy and nonprofit work. Contact Melissa DeDonder at [email protected].
