The new GEA PowerPak PLUS technology

A high barrier packaging alternative using more paper and less plastic

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GEA
GEA PowerPak PLUS

Blurb – With plastic under colossal pressure – more from consumers than even brand owners, there is a great pull from the market for packaging to clean up its act with recyclable materials, better sorting, and waste collection at source, and the use of recycled materials. Paper is not a simple alternative – it requires creative and technical solutions for it to work for food applications, and here is one such solution from GEA based in Germany.

The GEA PowerPak PLUS thermoforming packaging machine lends itself to various packaging solutions, including handling protection, vacuum, MAP, and shrink packaging. GEA has recently added a new dimension of versatility to the PowerPak PLUS by making it possible to use a more sustainable paper-based packaging alternative with this technology. The new packaging option is made from a moldable paper composite consisting of more than 80% paper and a residual amount of plastic for features that deliver barrier properties. Thanks to technological advances, the machine can be fully relied on to process
this delicate material safely.

Gea
Volker Sassmannshausen, senior product manager Thermoforming Packaging Systems at GEA

“The packaging market is currently in a state of flux,” explains Volker Sassmannshausen, senior product manager Thermoforming Packaging Systems at GEA. “While consumers and food retailers are demanding reductions in plastic usage, the food industry must ensure safe packaging from the beginning to the end of the supply chain. Not only must all hygiene and quality standards be met, but also legal requirements, which call for a significant reduction in the amount of plastic used in packaging. When developing our machines, we always take our cues from what our customers need, so this was an obvious focus area for us.”

Problem-free paper forming

The GEA thermoformer ensures the highest packaging quality, efficiency, and consumer convenience. Thanks to technical modifications, this packaging machine can now also easily mold coated paper. A series of functions, including those dedicated to unwinding and feeding the delicate materials and the newly developed multi-zone heating system, which is paired with sophisticated sealing, ensure that fresh foods are safely and hygienically packaged. In turn, solutions to simplify pack opening and material separation make it easy for consumers to separate the paper from the plastic for disposal in their relevant recycling streams.

In the forming station, the multi-zone heating system warms the coated paper to the precise temperature required so that it’s ready for molding via vacuum and compressed air. This produces thermoformed packs of around 20 millimeters in height, into which the precut slices are inserted in the next step. Before the packs are separated, a very thin top film – measuring just 30 to 50 micrometers thick – is used to close and seal each pack.

GEA’s PowerPak PLUS thermoforming packaging machine’s critical advantage lies in its motor-driven unwinding systems for the top and bottom films. Both unwinding systems are synchronized with the machine’s advancing cycle. This means that only minimal force is applied to the paper solution and the top film, which are unwound in a controlled and uniform manner. In addition, the membrane sealing system ensures tight and even seals.

Material separation made easy for waste streams

For consumers to be able to dispose of packaging properly, it is essential that the diverse materials – in this case, paper and plastic – are easy to separate. GEA has integrated a device for punching peel corners into the thermoformer’s molding tool to achieve this. The user simply bends the top corner to separate the thin plastic film from the paper backing before dispose of both materials into their respective recycling stream.

Spotlight on sustainability

The demands on packaging are many. Consumers expect packaging to be recyclable and more sustainable. Packaging systems must also meet requirements in terms of effectiveness, safety, flexibility, and meeting demands for efficient use of energy and resources. “It’s great to see that we can mold paper-based materials without any difficulty,” states Sassmannshausen. “Our paper-composite packaging solution is already successfully used, and these products are now on supermarket shelves there. We’re proud that we’re able to make an important contribution to producing more sustainable food packaging.”

IndiFoodBev — authentic, impactful and influential

An English-language food and beverage processing and packaging industry B2B platform in print and web, IndiFoodBev is in its third year of publication. It is said that the Indian food and beverage industries represent approximately US$ 900 billion in revenues which implies more than 20% of the country’s GDP. Eliminating the wastage on the farmside can help to deliver more protein to a higher number of the population apart from generating sizable exports. The savings in soil, seeds, water, fertilizer, energy and ultimately food and nutrition could be the most immense contribution that country is poised to make to the moderation of climate change.

To improve your marketing and grow sales to the food and beverage processing and packaging industry, talk to us. Our research and consulting company IppStar [www.ippstar.org] can assess your potential and addressable markets in light of the competition. We can discuss marketing, communication, and sales strategies for market entry and growth.

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Naresh Khanna – 10 February 2025

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