{"id":187501,"date":"2025-07-30T08:52:41","date_gmt":"2025-07-30T06:52:41","guid":{"rendered":"https:\/\/nurel.staging.tempurl.host\/?page_id=187501"},"modified":"2025-09-02T10:55:21","modified_gmt":"2025-09-02T08:55:21","slug":"pasteurized-and-retort-packaging","status":"publish","type":"page","link":"https:\/\/nurel.com\/en\/polymers-division\/solutions\/pasteurized-and-retort-packaging\/","title":{"rendered":"Hydrolisis resistance for pasteurized and retort packaging"},"content":{"rendered":"\t\t
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hydrolisis resistance for retort packaging<\/h1>\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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RETORTABLE PACKAGING POLYAMIDE SOLUTIONS<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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Retort packaging demands high-performance polymers capable of withstanding extreme conditions of temperature, pressure, and humidity<\/strong> without compromising safety or performance. These multilayer flexible films, used in pouches, vacuum bags, and tray lids, must endure temperatures between 116\u202f\u00b0C and 121\u202f\u00b0C under pressure<\/strong>, ensuring reliable protection of the packaged content.<\/p>

The retort process plays a critical role in eliminating harmful microorganisms<\/strong>, extending shelf life while preserving nutritional value<\/strong>. To meet these challenges, NUREL has developed a range of high-viscosity polyamides and copolyamides<\/strong> that offer outstanding hydrolysis resistance<\/strong> and retain their mechanical integrity after sterilization and retort cycles.<\/p>

These materials are specifically engineered for demanding applications such as ready meals, baby food, pet food, and sauces<\/strong>, where long-term durability, barrier functionality, and thermal stability are essential.<\/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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Our Range of Hydrolysis-Resistant & Retortable Polyamides<\/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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STANDARD POLYAMIDE 6<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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PROMYDE\u00ae BF40R<\/strong><\/span><\/h4>

PROMYDE\u00ae BF40R<\/strong> is a high-viscosity PA6<\/strong> designed for retort applications, offering outstanding hydrolysis resistance<\/strong>.
Its robust formulation makes it the ideal choice for multilayer films requiring high resistance to thermal and mechanical stress<\/strong> under high pressure and humidity.
Specially recommended for asymmetric structures<\/strong> where PA6 is exposed to moisture during thermal sterilization.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t

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ADVANCED COPOLYAMIDES<\/h3>\t\t\t\t<\/div>\n\t\t\t\t
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PROMYDE\u00ae BF940R – NO CURLING AND EXCELLENT BRIGHTNESS<\/strong><\/span><\/h4>

PROMYDE\u00ae BF940R is a hydrolysis-resistant, high-viscosity copolyamide<\/strong> developed for retortable packaging solutions.
It combines exceptional retort durability<\/strong> with superior optical properties<\/strong>, delivering extreme transparency<\/strong>, high gloss<\/strong>, and no curling<\/strong>\u2014even in complex laminates.
Its outstanding<\/strong> processability<\/strong> and thermoformability<\/strong> make it an ideal choice for high-performance<\/strong> retort structures<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

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PROMYDE\u00ae BF540R – FOR DEEP THERMOFORMING<\/strong><\/span><\/h4>

PROMYDE\u00ae BF540R<\/strong> is a high-viscosity copolyamide<\/strong> engineered for retort and pasteurization processes.
It offers excellent dimensional stability<\/strong> and mechanical performance<\/strong> after thermal treatment, making it suitable for deep-draw thermoformed trays<\/strong> and multilayer structures. A robust option for applications requiring reliable strength under pressure<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t

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Download our catalogues<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\tPromyde - Film\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
\n\t\t\t\t\t\n\t\t\t\t\t\tDownload\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\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\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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Products<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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\"\"<\/a><\/figure>

PA6 and PA66<\/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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OTHERS SOLUTIONS<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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\"Soluciones<\/a><\/figure>

Barrier 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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Sealing 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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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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\"Films<\/a><\/figure>

High strength 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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Recyclable<\/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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Promyde materials offer polyamides and copolyamides for pasteurized and retort packaging for food contents.<\/p>\n","protected":false},"author":13,"featured_media":11998,"parent":51321,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"unboxed","site-sidebar-style":"unboxed","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"enabled","adv-header-id-meta":"631","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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