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      PostPress

      PostPress

      Print Decorating, Binding and Finishing

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        Cold Foil

        Cold Foil Enhancement in the High-End Spirits Market

        June 17, 2016

        by Lara Copeland, assistant editor, PostPress
        Photo taken by Sean Fenzl and supplied by Hired Guns Creative.

        Honey has been used as food and as medicine since ancient times; today, it is typically used as a sweetener for both food and beverages. While it may commonly replace cane sugar in baking or enhance the flavor of tea, its use in the production of alcoholic beverages is sometimes overlooked. Due to its high sugar content, honey is easily fermented into spirits such as vodka. Unruly Vodka, from British Columbia-based distillation house, Wayward, is one such spirit utilizing honey in this manner. As the only distillery in Canada to incorporate the sweetener as its spirits’ base, the company wanted this unique quality reflected on its product label. Hired Guns Creative, a Nanaimo, British Columbia-based design firm specializing in packaging for the alcohol industry, designed the label’s unique look. Glenmore Custom Print & Packaging, Richmond, British Columbia, was then brought on board to assist with the intricate cold foiling and paperboard packaging.

        Founded in 1981 by Glenn Rowley, Glenmore focuses on packaging for food, confectionary, pharmaceutical, beverage and nutraceutical brand owners, designers and end users. Now run by son James Rowley, the company spends half of its time doing commercial print – including high-end custom projects; the Wayward Vodka label and bottle wrap being one such job. The complicated design with intricate detail makes the bottle stand out from the crowded shelves, and Glenmore recently received an FSEA Gold Leaf Award for its use of cold foil on the bottle wrap.

        While craft beers have enjoyed the high-end packaging spotlight for quite some time, craft distilleries are just starting to be known for similar trends. When the Canadian government began relaxing liquor laws in 2013, the production of artisan spirits became a viable means to make a living. Following this policy change, British Columbia alone has seen the number of craft distilleries nearly double in the past two years. Printing and packaging companies, like Glenmore, have seen this growth echoed in their production demands. Glenmore Operations Manager Stefan Congram, explained, “While commodity food grade packaging keeps the presses running at Glenmore on a more consistent basis, a large portion of our customer base comes from ultra-custom high-end products for beer, wine and spirits.”

        Glenmore is the only company in its area that provides cold foil on packaging and ultra high-end paperboard packaging. Though this market is new to the company, Congram shared that it has certainly received a lot of interest recently. “Foil and print enhancements lend themselves very well for spirits and wine because these vintners and distillers are selling a premium product at a premium price and have the extra budget for these enhancements,” he stated. Both Wayward and Glenmore understand the impact foil plays in shelf appeal and thus product sales. Using print enhancements, cold foil included, helps clients convey a brand message that resonates with the consumer. Cold foil attracts attention from customers in well-lit retail locations and “once you have their attention on your product and it looks as amazing as this piece,” Congram added, “the natural reaction is to pick it up to admire the packaging.”

        Considering the market for craft distilleries is still in its infancy, Wayward needed packaging to be appealing and affordable. Some spirits come in costly high-end boxes or wooden crates, but a bottle wrap can provide the same high-end effect at a more reasonable rate. Ultimately, the customer decided that a bottle wrap would create more shelf appeal than regular labels provide.

        After going into full production on its new Eagle Systems Eco-Eagle cold foiling unit that is mounted on a new Heidelberg XL106, the Wayward label was among the first live jobs printed at the shop. Congram revealed that the process proved to be very smooth with few challenges. The label was originally printed as a double hit metallic copper ink plus two varnishes, but as Congram noted, “We happened to see this piece and instantly knew we could make it special with our inline cold foil. We approached the customer and showed them some other cold foil samples. They were interested immediately.”

        The unique combination of blankets, adhesive, foil choice and stock ensured that lines can be held to .25pt with consistency. “Doing this project with our inline cold foil system allowed us to achieve the insane detail in the hair on the bee’s back, as well as hold the fine lines that are prominent throughout the piece,” stated Condram. He continued that overprinting the foil to achieve the copper color allowed for the hue of the copper to align with the customer’s requirements. Furthermore, the high-contrasting varnishes on the label lend themselves to highlighting the foil and adding depth to the already rich background. This makes the foil on the Wayward bottle wrap almost look three-dimensional. “Unseen is unsold, and with print enhancements like these, your chances of selling your product increases exponentially when compared to un-enhanced products,” Congram asserted.

        Utilizing its technology to the fullest potential, Glenmore is “an A+ press team who had no problem with the challenge of cold foil once the system settings were dialed in with the right substrates,” Congram highlighted. When conducting the press check to see the finished piece, he emphasized the customer was very pleased and reportedly grinning from ear-to-ear. Considering the ultimate goal is to persuade the buyer to not only pick up the bottle, but to also buy it, both companies believe this work is a success.

        Application: Cold Foil Combines with Cold Brew in Beverage Packaging

        September 4, 2015

        by Melissa DeDonder, PostPress
        The Hoptical Illusion packaging effect was produced on a module manufactured by Compact Foilers, which had been retrofitted to the last station of an existing offset printing press.

        In the highly competitive world of retail, products need to stand out on the shelves. 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 Association’s 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 Company’s 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.

        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 brew’s 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,” said Tim Cain, president of Breit Technologies LLC in Overland Park, Kansas. Breit Technologies is credited with introducing Cast and Cure in North America.

        The Cast and Cure decorative process, also known as film casting, is beginning to flourish in the marketplace. The process uses UV/EB varnishes and specialty films to create diffractive surfaces that produce unique finishes for the printing and packaging industries. A consistent high-quality surface is created, which 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.

        In the Hoptical Illusion packaging, 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.

        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. “This machine is unique because it can be loaded from the floor, and the tension controls ensure excellent laydown, which allows for graduated screens and very fine lines of foil can be put down,” Rutt said.

        Rutt said the feedback from the Hoptical Illusion 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 Cast and Cure may be in the increased efficiency and sustainability that it provides. “Once we learned the 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.

        During the past 10 years, the process has been used on multiple $500 million and $1 billion dollar 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.

        Cast and Cure is 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. In the Hoptical Illusion packaging, the psychedelic theme draws attention to consumers looking to grab a beverage from retail shelves. See the UV+EB Technology article in Issue 3 for the carton photo, illustration from Breit and captions.

        Q&A: A Look Inside the Narrow Web Decorating/Finishing Marketplace

        June 17, 2015

        Foil products and the adhesives used with the cold foil process have improved significantly over the past few years.

        PostPress asked two industry veterans in the narrow web decorating/finishing arena (Tom Kirtz, president, Telstar Engineering, and Michael Rivera, vice president, K Laser Technology) to provide some insights on the current landscape and what we can expect to see changing in the foreseeable future.

        What were the turning points in hot foiling inline that helped it grow into a feasible option for flexographic printers? Is there still room for growth in the hot foil side of the business?

        Although inline foil with narrow web flexo had been around for quite some time, flexographic printers were not willing to slow their presses down to the speeds they would have to run at to effectively apply foil inline. Improvements in the release of the foils by foil manufacturers began changing this, along with more flexible and cost-effective solutions for hot stamping tooling.

        “We saw the potential in the hot stamping market for narrow web several years ago and acquired a hot stamp equipment manufacturer to add to our converting equipment line,” stated Kirtz. “We made several engineering upgrades and believe we encouraged this growth with the availability of retrofit hot stamping equipment for all types of label presses.”

        “Another major turning point in the growth of hot stamping inline was the development of flexible rotary dies that could be utilized with magnetic cylinders,” added Rivera. “This provided a more cost-effective solution for shorter runs and faster turnaround times for the customer.”

        Rivera believes the rotary hot stamp market most likely has peaked as far as growth opportunities, but there are many customers who still are interested in the look of a hot stamped image and the opportunities will continue to be available for the flexo printers offering it.

        Cold foiling inline has continued to grow in popularity. What percentage of the market for foil decorating would you estimate is cold foil vs. hot foil?

        Cold foil inline also has been available in the marketplace for many years; however, consistency and reliability simply were not obtainable to spark significant growth. Foil products and the adhesives used with the cold foil process have improved significantly over the past few years. This has helped develop a huge increase in its acceptance and growth for label decorating. Rivera estimates that the cold foil market now holds about 80 percent of the foil decorating market for narrow web flexo printing.

        “Cold foil is an acceptable foil decorating process and now is considered an industry standard,” stated Rivera. “However, because cold foil is limited to non-porous substrates, its market share is not expected to change significantly.”

        “We have seen significant grow with cold foil and Cast & Cure™ for narrow web applications,” added Kirtz. He stated that his company currently is manufacturing more than twice as many cold foil units to hot stamp units for narrow web flexo presses.

        What label applications are more suited for hot foil, and which applications are more suited for cold foil? What factors go into an end user decision between the two processes?

        “To go hot or cold with foil isn’t always a clear choice,” stated Kirtz. He pointed out that some designs and substrates demand one or the other, and there can be issues with the quality level demanded by the job and even the press speeds required to remain profitable. “If you have been doing hot stamping and are faced with a customer demanding cold foil, you may find you can add this process to your existing press at a cost that still allows you to make a profit,” continued Kirtz. “You may even end up expanding your product lines for your sales staff.”

        “One of the major factors in the decision between utilizing cold or hot foil is the substrate being used,” added Rivera. Cold foil must have a non-porous stock to perform effectively, so labels designed to use an uncoated stock are going to be more suited for hot stamping. Cold foil works best for plastic label substrates because there is no heat involved when applying the foil, which can distort the plastic film.

        What do you see changing and growing in the label decorating/finishing marketplace?

        “There are units now available that can provide hot and cold foil, along with Cast & Cure™ decorating,” said Kirtz. “Imagine foil combined with rotary screen, metallic, glitter varnish, heat embossing or embossed-look effects… there is so much more to come!” Kirtz went on to say that there is a lot of talk about digital and digital labels. He does not look at digital as a separate technology, but rather a complimentary opportunity for label printing and decorating.

        Rivera noted that more printers are applying foil decorations to digitally printed labels. “The digital print market for labels has shifted its finishing strategy from an “inline” to an “offline” process,” he said. This shift mainly was dictated by the maximum running speed of the digital press. While digital presses run substantially lower in speed than the finishing equipment, more printers are opting to perform their decorating/finishing process offline, where one decorating/finishing press can serve two or more digital printing presses.

        Kirtz added that hot foil holographic security applications area is where he is seeing a growing demand due to increased concerns about counterfeiting. “These techniques provide an extremely difficult-to-duplicate graphic identity,” added Kirtz. “It’s like creating a virtual fingerprint, only better.”

        “I don’t believe we have tapped the potential, especially when it comes to combining various decorating effects,” concluded Kirtz. “There is such a huge demand for new and more exciting graphics, and we don’t yet know how this will all tie into digital applications, for example. Label designers are becoming more tech savvy and bring new ideas to the table. It’s our job to figure out how to achieve their visions.”


        2015 Narrow Web Supplement

        • Q&A: A Look Inside the Narrow Web Decorating/Finishing Marketplace
        • Collotype Labels Honors South African Vineyards
        • Digital Printing Enhances Award-Winner from Innovative Labeling Solutions
        • Rotary News

        Sheet-Fed Foil – Hot and Cold!

        June 17, 2015

        by Mike King, Eagle Systems
        In instances where the majority of the sheet or the entire sheet includes foil, cold foil can be a cost-effective choice. Large coverage of foil on the sheet will allow maximum use of the foil ribbon.

        With the variety of manufacturing options available to add multi-sensory packaging effects, brands across all industries are beginning to branch out and use foils. One of the most talked about points of confusion is the difference between hot foil and cold foil, along with the pros and cons are of each method. This article will explore the pros and cons of these two separate methods for sheet-fed foil processes. Choosing the right method is tied to many factors, but having a baseline understanding will help with price, speed to market, branding and, ultimately, consumer impact.

        Foil coverage

        For most applications, the cold foil process is done inline on the printing press. If the image area (the area on the sheet that will be foiled) is small and does not make use of the majority of the foil roll over the sheet, there can be an excessive amount of waste in foil that is not applied. Comparatively, the hot foil process (most commonly performed offline on a hot stamping machine) allows for the foil roll to precisely index in small increments and thus maximizes the use of the entire foil ribbon. So, for smaller areas of foil coverage, hot stamping usually is the best choice to maximize the use of the foil.

        In instances where the majority of the sheet or the entire sheet includes foil, cold foil can be a cost-effective choice. Large coverage of foil on the sheet will allow maximum use of the foil ribbon. In addition, if the job requires multiple colors of foil, then cold foil will be more economical, as it is all done in one pass and then overprinted to create the separate colors.

        It is important to remember that saving foil necessarily does not calculate to job cost savings, as the whole picture needs to be considered. What most people don’t realize is that job cost savings also encompass the process, logistics and other materials, as well. Sometimes, the breakeven point could be at 1,000, 10,000, 100,000 or even 1,000,000 sheets before one process becomes more cost effective over the other. It is imperative to look beyond the actual foil material cost.

        Where cold foil really becomes a game changer is when comparing it to using a laminated foil metallic board. Cold foil inline can create huge savings over laminated board and provide more flexibility with inventory. The other advantage over a foil laminated stock is that the portion of the package or product that is white can be reversed out of the foil, which eliminates the need to print white opaque ink in these areas. The white ink can create problems on press and sometimes needs two passes to properly cover. Other areas, like glue flaps or just plain printing on foil laminated board, can create challenges because the printing is being applied to a plastic material. The major savings is the actual dollar-for-dollar cost against the cold foil with board vs. foil board. A 10-cent savings is $100,000 dollars on 1,000,000 sheets at the end of the year. Imagine the savings if the cost was 53 cents apart! In the cold foil process, multiple webs of foil can be run, which realistically would be a small percentage of actual foil use. With foil board, the whole sheet is paid for and used, regardless.

        Substrate considerations

        Certain substrates can pose a challenge for the cold foil process, such as uncoated stocks. During the cold foil process, a layer of adhesive is applied to the sheet. Uncoated stocks tend to absorb the glue, resulting in less adhesive for the foil to adhere to when applied. This can lead to uneven surfaces, rough edges and flaking of the foil. Comparatively, hot foil stamping provides more latitude with substrate types since the foil is applied by a heated application onto the sheet vs. the use of an adhesive. So, the type of stock or substrate can have a huge impact on selecting cold foil vs. hot foil.

        Inline vs. second operation

        There only are two colors available in cold foil, with the most popular being 98-percent silver and 2-percent gold. Hot foil has a wider range of metallic foil colors readily available, such as gold, silver, blue and red.

        The cold foil process is done inline on press and, therefore, eliminates the need for a second offline operation of hot foil stamping. Being inline also means that inks, varnishes and coatings can be applied over the cold foil on press, whereas this would require an additional press pass following the hot stamping process. There are inline efficiencies of cold foil with proper equipment and the knowledge of the process. However, if there are challenges with the setup and coordination of the cold foil process working with the printing process, the potential cost savings of performing the foil inline can diminish.

        Sheet-fed cold foil process is approximately 30 years old, but only has truly developed into a viable and economical solution in the last six to seven years. With only around 160 cold foil systems in operation worldwide, those interested in pursuing cold foil must do their homework and speak with others involved already in the process. Of course, this scenario also is true with the hot foil process. Utilizing the proper equipment for hot is essential in today’s world.

        Careful planning and utilization of reliable equipment are essential to ensuring the job runs consistently and that the printing press does not have to be stopped multiple times through the run.

        When a customer is looking for a foil and embossed image, many times the foil and embossing can be applied at the same time on an offline foil press utilizing a combination (foil and embossing) die. When this is the case, running offline vs. inline is the better option because a separate pass will be necessary either way to accomplish the embossed image.

        Foil tension also can be an issue if the proper cold foil equipment is not being used. Some cold foil units require special foil tension programming which, if not properly set, can cause tension issues and breaking. This can cause foil damage, foil dust and inferior product. Without proper tension throughout the run, there is the risk of the foil not being applied securely to the sheet and allowing proper bond with the ink. There are retrofit machines that do not require special programming for foil tension and help eliminate this issue.

        Foil color

        There only are two colors available in cold foil, with the most popular being 98-percent silver and 2-percent gold. Also, a limited number of holographic patterns now are available for cold foil. For larger orders, foil manufacturers may be able to provide specific colors and patterns with a cold foil formulation. To achieve a specific color other than the silver or gold, it is necessary to lay down ink over the foil being applied on press. Utilizing four-color process (CMYK), there virtually are an unlimited number of colors that can be created through overprinting cold foil. PMS colors can be used to create a particular color as well.

        Comparatively, hot foil has a wider range of metallic foil colors readily available, such as gold, silver, blue and red, etc. In addition, hot foil stamping offers other types of foils, such as holographic, specialty patterned, pigmented and clear foil options that are not available with the cold foil process.

        Brilliance of foil versus flexibility

        Hot foil traditionally results in a more brilliant look vs. cold foil – although the final outcome of a cold foil transfer has come a long way in recent years. The customer needs to make the final determination on what will work best for the specific application. Hot foil may provide more overall brilliance, though cold foil has more reflective angles than hot foil because of the sheer process and the way it is applied.

        The idea behind the cold foil process is that various colors of foil need not be stocked and any color under the rainbow can be created with CMYK or PMS colors. The beauty of this is even more apparent when the customer comes in for a press check on cold foil and says the color is off a bit. With the cold foil process, the color easily can be changed with prepress adjustments on the printing press because the color comes from the overprint on the foil.

        In the same scenario with hot foil, there may be a delay in the job if the foil stamper does not have the customer’s exact color pick of foil in stock. Unfortunately, many foil stamping shops have a lot of unused hot foil and a great deal of it never gets used again. With the overprinting of silver foil for most cold foil applications, there is little to no leftover inventory that cannot be used in the future.

        Conclusion

        When choosing between hot and cold foiling, it’s important to keep the end game in mind. It’s best to start with the product’s particular needs and then find a match based on how well the capabilities of each technology align with the product. The following questions are examples of what needs to be addressed:

        • What is best for the application? It is key to understand what the product does and who it’s targeting. The application itself should be able to point to one process over the other.
        • What is the budget? While budget shouldn’t be the first consideration, it often can dictate a particular solution.
        • With what substrate is the foil being used? Again, the substrate may determine the preferred method of foiling. Certain substrates only work with hot foil, while others are best with cold foil.
        • What type of look is being sought? One of the easiest ways to decide whether to use hot or cold foil stamping relies on the type of look the customer wants. The customer is the ultimate decisionmaker to determine the best approach.

        Mike King is owner and inventor of Eagle Systems’ hot and cold products. For years, Eagle Systems has focused solely on foil machinery and foil process developments, including the introduction of high-tech servo technology to the world of hot foil indexing. For more information on hot and cold foil products, visit www.thefoilexperts.com.

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