{"id":44544,"date":"2025-08-27T12:53:32","date_gmt":"2025-08-27T10:53:32","guid":{"rendered":"https:\/\/nurel.com\/barrier-solutions-nurel-engineering-polymers\/"},"modified":"2026-04-13T20:22:00","modified_gmt":"2026-04-13T18:22:00","slug":"oxygen-barrier","status":"publish","type":"page","link":"https:\/\/nurel.com\/en\/polymers-division\/solutions\/oxygen-barrier\/","title":{"rendered":"Oxygen barrier"},"content":{"rendered":"\t\t
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Oxygen Barrier<\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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OXYGEN BARRIER FOR FLEXIBLE PACKAGING<\/h1>\t\t\t\t<\/div>\n\t\t\t\t
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In response to the growing emphasis on <\/span>reducing plastic use and minimizing food waste<\/span><\/b>, the packaging industry has witnessed an increased in the adoption of <\/span>barrier and ultra-high barrier packaging solutions to inhibit oxygen permeation<\/span><\/b>.<\/span><\/p>

These innovative packaging materials play a vital role in extending the shelf life of food products<\/span>, while indirectly<\/span><\/b> contributing to the reduction of <\/span>reduction of total packaging production<\/span><\/b>.<\/span><\/p>

At NUREL, our dedicated research and development team focuses on two distinct lines of advancement: <\/span>Promyde\u00ae copolyamides <\/span><\/b>with <\/span>modified gas permeability, and Enoxite\u00ae <\/span><\/b>a high-performance <\/span>alternative to EVOH for ultra-high barrier packaging applications.<\/span><\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Do you want to know more?<\/div>\t\t\t\t<\/div>\n\t\t\t\t
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Copolyamides for Oxigen Barrier Packaging<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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Polyamides are widely employed in food packaging due to their exceptional mechanical properties, tear resistance, puncture resistance, and barrier capabilities<\/strong>. Within our product portfolio, Promyde\u00ae BF740 and Promyde\u00ae BF745<\/strong> provide effective solutions for packaging applications that necessitate oxygen barrier properties to enhance the longevity of food products<\/strong>. In multilayer structures, these copolyamides offer a suitable solution for retort applications, enabling a 50-60% reduction in the polyamide layer while maintaining optimal barrier performance<\/b>. These containers, utilizing our copolyamides, not only have a lower carbon footprint<\/b> but also align with the new European Union packaging design recommendations by being lighter and generating less waste.<\/p>

Distinguished from traditional polyamides, our copolyamides exhibit remarkable oxygen barrier performance even under high ambient humidity conditions<\/b>, making them highly desirable for containers subjected to thermal treatments like pasteurization and sterilization<\/strong>. Additionally, these copolyamides maintain transparency and exceptional thermoformability<\/strong>. With a process temperature of 200\u00b0C, they facilitate coextrusion with other polymers in both blown and cast extrusion processes.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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CO2<\/sub> PERMEABLE COPOLYAMIDES<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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In addition, <\/span><\/span>the<\/span>s<\/span>e copolyamide<\/span>s<\/span> Promyde<\/span>\u00ae BF640 <\/span>and <\/span>Promyde<\/span>\u00ae BF64<\/span>2<\/span> offer<\/span>\u00a0high clarity, superior puncture resistance and tear strength <\/span>up to <\/span>four times <\/span>higher<\/span> than standard polyamide materials<\/span><\/b><\/span>. Some food products, such as <\/span><\/span>cheese and poultry <\/span><\/span>naturally release CO<\/span><\/span>2 <\/span><\/span>or other gases during their shelf life. <\/span><\/span><\/p>

This gas release can cause container swelling and compromise packaging effectiveness over time. To solve this problem, <\/span><\/span>Promyde<\/span> BF640 <\/span>and <\/span>Promyde<\/span><\/b> B642 <\/b><\/span>has been<\/span>n<\/span> specifically designed to meet the requirements of applications requiring CO<\/span><\/b><\/span>2<\/b><\/span><\/span>. <\/span><\/span><\/p>

Consequently, it is the ideal material for <\/span><\/span>premium cheese packages that must preserve the natural ripening process of the product<\/span><\/span>. Using <\/span>films<\/span> manufactured with our <\/span><\/span>copolyamides<\/span> Promyde<\/span> BF640 <\/span>and <\/span>Promyde<\/span> B642<\/span>which have a permeability to CO<\/span><\/span>2 <\/span><\/span>permeability<\/span><\/span>, the gases released during the cheese ripening process can be adequately released.<\/span><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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high oxygen barrier, alternative to EVOH<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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Enoxite\u00ae is a polymer that stands out for its ultra-high OXYGEN barrier properties<\/strong>.<\/p>

The high demand for barrier packaging has led to a scarcity of barrier materials in the market<\/strong>. To address this issue, NUREL has introduced Enoxite\u00ae, an ultra-high barrier polymer for multilayer packaging, which is an alternative to the commonly used EVOH<\/strong>.<\/p>

Apart from its excellent oxygen transmission rate (OTR) values<\/strong>, Enoxite possesses a revolutionary advantage: it is water-soluble, grease-resistant, and suitable for pasteurization applications. Enoxite<\/b> product range encompasses various grades with different water solubility properties<\/b> ranging from 20\u00baC to 50\u00baC, as well as different levels of flexibility<\/b>.<\/p>

Enoxite exhibits exceptional mechanical properties<\/strong>, rendering it an ideal choice for both flexible and rigid multilayer food packaging structures when combined with materials such as PE, PP, PET, PS, or PA<\/strong>. By opting for Enoxite as a substitute for EVOH<\/strong>, not only do you benefit from its superior performance, but it also contributes to the sustainability of multilayer film structures by enhancing recyclability through its solubility<\/strong>.<\/p>

For further details, visit the Enoxite product range<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Download our catalogues<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\tSustainable Packaging\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t
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Applications<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Cheese packaging<\/h3>

Cheese packaging is essential to guarantee the quality, safety, and freshness of the product. It must meet a series of requirements to protect the cheese from oxidation, dehydration, and preserve its maturation process. NUREL offers solutions that adapt to these requirements by providing packaging with barrier properties and oxygen permeability.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\"Promyde<\/figure>

Meat and bone-in meat packaging<\/h3>

Packaging for sharp-edged foods requires high puncture resistance, flexibility, moisture barrier, transparency, and an attractive gloss. NUREL offers a range of special copolyamides and polymers with high oxygen barrier properties for the manufacturing of vacuum bags and thermoformed packaging for meat.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Skin Packaging<\/a><\/h3>

Skin packaging is gaining popularity due to its lightweight and visually appealing design, as well as its superior technical performance. NUREL provides specially formulated copolyamides that exhibit exceptional strength, sealing capabilities, barrier properties, and unmatched glossiness.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\"INZEA<\/figure>

Stand-up pouches<\/h3>

NUREL offers a complete range of Polyamide 6, Copolyamides and Ultra-High barrier materials for Doypacks. PA-based film materials not only help extend the shelf life of packaged food but also contribute to reducing plastic usage. Promyde polyamides offer excellent mechanical and barrier properties while providing an appealing packaging finish, thanks to their glossy appearance.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Deep thermoforming<\/a><\/h3>

NUREL offers a wide selection of polyamides and copolyamides designed for deep thermoforming packaging, with a focus on providing superior barrier properties and puncture resistance to effectively extend the shelf life of food products, thus contributing to the reduction of food waste. This type of packaging is particularly suitable for the preservation of large portions of fresh meat and whole cheeses. <\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Related markets<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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\"Envases\"<\/a><\/figure>

Packaging<\/a><\/h3>

Polyamides are widely used in the packaging industry due to their excellent mechanical strength and barrier properties, as well as their ability to deliver a premium finish with high gloss and transparency.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Other solutions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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\"Low<\/a><\/figure>

Low curling films<\/a><\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\"Sealed<\/a><\/figure>

Sealing Film<\/a><\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\"Antiviral<\/a><\/figure>

Antiviral solutions<\/a><\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\"High<\/a><\/figure>

High Resistance Films<\/a><\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\"\"<\/figure>

Retort resistance<\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\"NUREL<\/a><\/figure>

Recyclable Solutions<\/a><\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Do you want to know all the news of Nurel Polymers?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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Subscribe to the Newsletter<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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