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Food and Farming TechnologyFood and Farming Technology
Business

Sustainable food packaging system designed to work with existing industry supply chain

Anthony JamesBy Anthony JamesSeptember 4, 2020No Comments
Harpak-ULMA's innovative PaperSeal packaging technology seeks to fundamentally rethink packaging systems to offer a more sustainable alternative to the food industry. (Photo: Business Wire)
Harpak-ULMA's innovative PaperSeal packaging technology seeks to fundamentally rethink packaging systems to offer a more sustainable alternative to the food industry. (Photo: Business Wire)
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An innovative solution to help reduce plastic food product packaging is now available from Massachusetts-based Harpak-ULMA, following the official launch last week of its PaperSeal packaging technology that seeks to radically rethink packaging systems to promote a more sustainable alternative across the food industry.

Unfortunately, much of today’s multi-material packaging cannot be reprocessed using existing recycling systems. The complexity and challenges associated with plastics recovery emphasise the importance of reducing overall plastics volume by substituting innovative, renewable single-use packaging material and methods.

Step forward Harpak-ULMA’s new trays, which are produced using renewable fibre sourced from sustainably managed forests, and can employ a variety of striking, innovative designs for retail presentation. Each tray utilizes 80-90% paperboard and 10-20% film, depending on tray dimensions – dramatically reducing plastic use and limiting base tray waste to just 2% – the lowest in the industry today, according to the company.

In addition, the tray film liner is easily separated from the paperboard after use, allowing for the paperboard portion to be recycled. A unique reinforced, one-piece flange design makes sealing surface strength and consistency equal to traditional plastic trays, as well as facilitating automated paperboard de-nesting – a pain point in other paperboard solutions.

Trays can be stacked flat for logistics and inventory, and each hermetically sealed tray provides up to 28 days of shelf life depending on the application, making it suitable for a wide range of applications including cheese, fresh or processed meat, ready-made products, frozen foods, snacks, salad and fruit.

Sustainable packaging… industry inertia

Structural impediments in the current industry supply chain can actually impair the adoption of sustainable packaging materials and methods, according to Jerry Rundle, VP of sales for Harpak-ULMA’s tray packaging lines: “Entrenched producers are using hundreds of millions of plastic trays each year,” he says. “They’re embedded in long-term supplier contracts and vested in the associated packaging equipment. To say that changing direction is difficult is a bit of an understatement – it’s like turning the proverbial aircraft carrier. There’s just too much industry resistance. On the other hand, new market entrants don’t have those constraints. For example, new plant-based meat companies are adopting sustainable paper-based tray packaging materials and methods out of the gate because they’re not embedded in the status quo.”

Joint collaboration

The new PaperSeal packaging concept is the result of a global collaboration between G. Mondini, for which Harpak-ULMA is the exclusive North American distributor of the Italian company’s tray sealers, and Atlanta-based Graphic Packaging International, which officially launched the new line in North American markets this past February, and in Europe in May 2019.

“Graphic Packaging has more than ten line placements already producing commercial products for multiple customers throughout Europe and Asia,” noted David Devenport, VP, consumer products and convenience for EMEA at Graphic Packaging International. “This has been achieved in less than 12 months from launch and the momentum is building.”

“PaperSeal’s design works easily in existing denesters and conveyors – we know, we’ve tested it,” added Carlo Bergonzi, Harpak-ULMA’s product manager for Tray Seal. “Put a new set of tooling in your tray sealer and you’re ready to go. It’s extremely adaptable to your existing equipment and no more expensive to produce than plastic trays. Also, PaperSeal trays are formed with pre-cut film – there’s no flop or film hanging over the tray – it’s a very clean look that also reduces film waste.”

PaperSeal also offers an alternative to traditional plastic clamshell produce packaging, according to Bergonzi: “Clamshells are typically loaded in the field, and difficult to transport. In addition, consumers appear to prefer a lid seal, while retailers now prefer ‘tamper’ evidence designs. Other major advantages of PaperSeal are its ability to accommodate one-dimensional multi-compartment trays and add header/hanging features to the package. The G. Mondini Trave also incorporates a ‘Platformer Plus’ option that accommodates a PaperSeal stacker unit. When you combine all that functionality, the dramatic reduction in material waste, plus the ability to pop it into your existing line inexpensively – it makes this an extremely pragmatic sustainable solution.”

“We recognize that the North American market dynamics are different than European markets,” concluded Harpak-ULMA’s Rundle. “We plan to work with some existing customers that already own a Mondini Tray sealer and want to trial sustainable technology on a new product line. It’s a low-risk, low-cost scenario. We can retool a line in 10-12 weeks and they can be producing a new, sustainable package style at moderate volumes pretty quickly.”

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Anthony James

With over 20 years experience in editorial management and content creation for a broad spectrum of market-leading B2B magazines and websites in the transport and technology sectors, Anthony has written news and features covering everything from airport security to autonomous vehicles, and stadium design to sustainable energy.

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