A Transparent View on Plastics

A Transparent View on Plastics


Sustainability without compromising performance. As a leading global food packaging manufacturer, our core purpose is to preserve the quality of fresh foods whilst maximising their shelf life and appeal. We use world-class polymer science and engineering expertise to tailor our packaging structures to match customer requirements for sealability, formability and strength of materials, extended shelf life, attractive product presentation and all-time-high food safety and hygiene controls. Simplifying multilayer structures without sparing vital functionalities is therefore not an easy task, but one that will increase the chance of our materials to be further processed by the supply chain and successfully carried through onto their next product cycle. As such, our ultimate goal is to provide a product featuring exceptional environmental efficiency with little or no compromise on performance. A product range which, in its creation, has left no indelible mark on the Planet and sits comfortably within a focused, closed-loop system.


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Circular Economy of Plastics

Kureha’s culture of continuous innovation and differentiation has helped us succeed in developing new material structures that are “thinner but stronger”, reducing the consumption of plastics while meeting all the functionality needed by our customers and more! We strongly believe that great packaging solutions can be developed with less resource, at minimum cost to our Planet. But in order to demand less of the environment, we commit to asking more of ourselves - to challenge thinking, pursue smarter utilisation of resource and continue to invest in research and development to accelerate the creation of a more circular economy for plastics. Along the way, we hope for close industry cooperation that doesn’t tolerate ‘we’ve done our bit’ attitude. Supply chain collaboration that helps co-ordinate the introduction and development of new sustainable packaging materials with the deployment of corresponding after-use systems and infrastructure. Thus, ensuring positive impact at scale. We strive to domore with less, through hard work and joined-up thinking.



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Our Progress

Our Progress

Formshrink ® Offering 80% packaging weight reduction.

Conventional Pack

Thinner but stronger materials, because less is more ‘Reduce’ is the very first step of any successful packaging sustainability strategy. For more than 15 years, Krehalon has been supplying our range of ML40 barrier shrink bags that are, on average, 23% thinner compared to corresponding competitor offerings. The innovative construction of Krehalon’s core ML40 technology gives the exceptional advantage of reducing material thickness without compromising material’s barrier properties and strength. This allows us to develop ‘thinner but stronger’ food packaging materials that constantly challenge competitors and offer significant packaging weight reductions over conventional pack formats.




Our Progress

Barrier packaging prevents food waste Did you know?

High-barrier properties for shelf life extension Every year, the world throws out about 1.3 billion tons of food that produce around 4.4 GtCO2 emissions *1 . Expiry of product life is considered one of the biggest contributors to household and supply chain food waste and it is believed that even a one-day extension to product life could save 0.25mt of food waste *2 . Krehalon has successfully developed high barrier Secondary Seal (SSL™) materials that have proven to deliver shelf life extension of up to 150 days for some fresh meat applications. These materials offer the benefit of minimising purge and delaying microbial spoilage to prolong shelf life and allow broader geographical distribution of the packed product with minimal food wastage.

Carbon footprint of fresh beef joint (unpacked)

Carbon footprint of barrier packaging

Shelf life: 5 days CO 2 emissions: 24.4kg*

CO 2 emissions: 0.057kg*

Shelf life: 70 days

Product weight: 1kg Dependent on storage conditions

Product weight: 1kg Dependent on storage conditions

*On average, 6.7g of ML40 material would be needed to wrap 1kg beef cut. CO 2 calculation takes into considerations packaging production, distribution to consumer and disposal.

*Assuming meat spoilage. This includes breeding, slaughter, production and distribution to consumer.

*1 Food and Agriculture Organisation of the United Nations, 2011 *2 Waste & Resources Action Programme, 2011


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Our Progress

Reduced packaging waste through automation Over the last decade Krehalon have focused on developing automated Shrink Bag Replacement (SBR™) solutions that challenge traditional thinking and offer superior operational efficiency through cost reduction and pack differentiation. Krehalon’s patented Formshrink ® and Flovac ™ film solutions can achieve significant material usage savings by replacing manual bagging and reducing inventory (multiple sizes of pre-made bags in boxes). These automated solutions offer more precise material-to- product ratio, allowing pack sizes to be adjusted to the length and size of each product, eliminating unnecessary packaging waste. For some high-abuse applications, Krehalon automated films can enable the use of thinner materials where this wouldn’t normally be possible if the product was handled manually, due to additional pressures applied from manual loading.

Case Study Application: Fresh primal beef Country: Australia


Packaging material savings

Before Packingmethod Shrink Bags

After Packingmethod Flovac ™


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Sustainable innovations by Kureha

Part of the


We treasure people and the natural environment.

Polyphenylene sulphide (PPS) Plastic that combines strength with light weight. Kureha’s PPS resin has exceptional toughness and can offer significant weight reductions while resisting extreme temperatures. Due to its properties, PPS is being used as an important alternative to metal for automotive lightweighting. Kureha has recently invested ¥10bn into a 5,000 tpa capacity enhancement for PPS at its Iwaki Plant (currently 10,700 tpa). This is scheduled to be completed by February 2021.

Polyglycolic acid (PGA) A new age material to lessen environmental loads

Polyvinylidene fluoride (PVDF) Reliable and proven performance in challenging environments. Kureha was the first to produce Polyvinylidene fluoride on an industrial scale in 1970. This engineering thermoplastic serves as a binder material for electrodes in lithium-ion batteries used in a range of applications such as electric vehicles and solar panels. To meet the growing global demands for sustainable energy sources, has recently invested ¥4.7bn into a new 2000 tpa PVDF line at its Iwaki plant increasing PVDF production capacity to 11,000 tpa in 2019.

We constantly evolve through innovation. We contribute to society by developing beneficial products. Krehalon is a wholly owned subsidiary of Kureha Corporation – a Japanese specialty chemicals and plastics manufacturer listed on the Tokyo stock exchange with annual revenues exceeding $1.2 billion .

Kureha is the first and, currently, the only company in the world to successfully develop an industrial manufacturing process for Polyglycolic acid (PGA) - a biodegradable polyester resin with high mechanical strength and high gas barrier. This material, branded Kuredux®, has become a key growth driver for Kureha due to its invaluable use in the production of biodegradable frac plugs for oil and gas exploration.


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The vision

Stakeholder of CEFLEX CEFLEX is the collaborative initiative of a European consortium of companies and associations representing the entire value chain of flexible packaging. The CEFLEX Mission is to further enhance the performance of flexible packaging in the circular economy by designing and advancing better system solutions identified through the collaboration of companies representing the entire value chain. CEFLEX is aligned with and fully supporting The Ellen MacArthur Foundation’s Global Commitment for a New Plastics Economy.

As an active stakeholder of CEFLEX, Krehalon commits to work collaboratively with all members towards the delivery of the CEFLEX Vision.

By 2020 flexible packaging will have a comprehensive sustainability and circular economy roadmap for flexible packaging, including widely recognised design guidelines and a robust approach to measure, demonstrate and communicate the significant value that flexible packaging adds to the circular economy. By 2025 there will be an established collection, sorting and reprocessing infrastructure/ economy developed for post- consumer flexible packaging across Europe, based on end-of-life technologies and processes that deliver the best economic, technical and environmental outcome for a circular economy.


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As a signatory of the UK Plastics Pact, Krehalon commits to work collaboratively with all members of the Pact towards the delivery of its relevant targets. By 2025, the UK Plastics Pact will transform the UK plastic packaging sector and help stop plastics polluting the environment by: Eliminating problematic or unnecessary single-use packaging through redesign, innovation or alternative (re-use) delivery models. 100% of plastic packaging to be reusable, recyclable or compostable. 70% of plastic packaging effectively recycled or composted. 30% average recycled content across all plastic packaging.

Signatory of the UK Plastics Pact The UK is demonstrating global leadership in transforming the plastics economy and tackling plastic pollution with the launch of The UK Plastics Pact. The UK Plastics Pact, led by WRAP, is the first of a global network of such pacts, enabled by the Ellen MacArthur Foundation’s New Plastics Economy initiative. The initiative is unique because it unites governments, local authorities, NGOs and businesses involved in producing, selling, collecting and reprocessing plastic, to deliver ambitious targets for change by 2025.


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Let’s talk facts. Not perceptions.

In time of rapid change within the plastics industry, we understand the importance of sharing knowledge and keeping an attentive and observant mind to broaden our understanding of issues and challenges faced by the supply chain - from resin producers through to brand owners, consumers and recyclers.

We aspire to be Positive Plastic Advocates that educate about the value and benefits of responsible plastic use and promote a culture of trust, accountability and transparency.

We aim to inspire meaningful and knowledgeable discussions of problematic areas; reward curiosity and forward-thinking and encourage decision-making based on substantiated evidence and not misguided perceptions.

The Seal of Quality


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We are part of

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