Packing performance with superior environmental benefits

Speciality lidding films for Mono-APET applications

Case Study

The Challenge The current format of choice for modified atmosphere protein packaging traditionally uses polythene (PE) sealing mechanisms to enable secure seal of the film lid to the amorphous polyethylene terephthalate (APET) – most common hard plastic used for food stuffs. This is a complex multi-material structure which makes protein packs more difficult to readily recycle.

Driven by Co-op’s ‘80% easy to recycle by 2020’ ambition, the key focus of the Dunbia-Krehalon partnership was to help simplify Co-op’s packaging for minced beef to one polymer type and help increase recycling at consumer level.

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The Client

Convenience stores chain Co-op believe small innovations can bring big change so they continuously work to simplify the packaging they use to make it readily recyclable.

They challenge the industry - from recyclers to packaging manufacturers, to other retailers and local authorities - to join forces and move together to create a solid market for the plastic.

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Dunbia is a multinational food company specialising in the production of quality beef, pork and lamb products.

Their desire to create better food naturally is the driving force behind everything they do and their integrated business model adopts the principles of quality, integrity and customer satisfaction.

The Partner

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The SolutionKrehalon-Dunbia developed a mono-APET pack structure using a specialist top web film which enabled the removal of the PE sealant layer and achieved strong fused seal to the mono-APET base web.

This new mono-material alternative offers superior environmental benefits without compromising seal strength, food safety, pack integrity and product shelf life. The unique high barrier top film also includes anti-fog properties for optimum pack clarity.

Dunbia are able to use their current manufacturing equipment without any modifications and experience no reduction in production output or machine efficiencies from switching to the new format.

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Recyclability of the base web in the PET recycling stream.

Advanced sealing technology matching seal strength of PE-to-PE bonds.

Great film machinability with no compromise on speed and output.

Potential reduced pack weight and cost from removal of PE sealant layer.

High barrier and anti-fog properties.

Sandwich print option (up to 8 colours) for maximum visual appeal and label replacement.

Suitable for both thermoforming and tray lidding applications.

Ovenable when used with CPET trays (200°C for 2 hours).

The Benefits

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“The Mono-APET project has been a great step forward in our ambition to make all of our packaging easy to recycle. By simplifying the

plastic trays used for protein to just one polymer type, we have been able to make Co-op branded

packaging more attractive to recyclers and, therefore, more likely to be recycled.”

Rob Thompson, Packaging Technologist, The Co-op

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Our depth of experience enables us to deliver innovative food packaging that maximise shelf life and visual appeal.

With over 40 years’ experience, our expert approach to automation, packaging and presentation solutions, quite literally makes us stand out.

That’s why partnering with us is proven to deliver sustainable, long-term commercial gains.

Krehalon are the seal of quality in the fresh food, shrink packaging industry